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Finding the Fourth Proportional to 268,347.87, 370,320.18 and 147,488.16

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Solution

The fourth proportional to 268,347.87, 370,320.18 and 147,488.16 is: 203,533.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,347.87 : 370,320.18 = 147,488.16 : x
  2. Step 2: Convert to fraction form
    268,347.87/370,320.18 = 147,488.16/x
  3. Step 3: Cross multiply
    268,347.87x = 370,320.18 × 147,488.16
  4. Step 4: Simplify right side
    268,347.87x = 54,617,841,959.07
  5. Step 5: Solve for x
    x = 54,617,841,959.07/268,347.87
  6. Step 6: Final answer
    x = 203,533.73

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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.