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Finding the Fourth Proportional to 361,888.76, 498,947.28 and 258,646.16

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Solution

The fourth proportional to 361,888.76, 498,947.28 and 258,646.16 is: 356,603.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,888.76 : 498,947.28 = 258,646.16 : x
  2. Step 2: Convert to fraction form
    361,888.76/498,947.28 = 258,646.16/x
  3. Step 3: Cross multiply
    361,888.76x = 498,947.28 × 258,646.16
  4. Step 4: Simplify right side
    361,888.76x = 129,050,798,014.45
  5. Step 5: Solve for x
    x = 129,050,798,014.45/361,888.76
  6. Step 6: Final answer
    x = 356,603.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.