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Finding the Fourth Proportional to 450,324, 621,449.55 and 246,377.34

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Solution

The fourth proportional to 450,324, 621,449.55 and 246,377.34 is: 340,002.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,324 : 621,449.55 = 246,377.34 : x
  2. Step 2: Convert to fraction form
    450,324/621,449.55 = 246,377.34/x
  3. Step 3: Cross multiply
    450,324x = 621,449.55 × 246,377.34
  4. Step 4: Simplify right side
    450,324x = 153,111,087,073.20
  5. Step 5: Solve for x
    x = 153,111,087,073.20/450,324
  6. Step 6: Final answer
    x = 340,002.06

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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.