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Finding the Fourth Proportional to 261,260.79, 360,535.22 and 146,539.68

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Solution

The fourth proportional to 261,260.79, 360,535.22 and 146,539.68 is: 202,222.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,260.79 : 360,535.22 = 146,539.68 : x
  2. Step 2: Convert to fraction form
    261,260.79/360,535.22 = 146,539.68/x
  3. Step 3: Cross multiply
    261,260.79x = 360,535.22 × 146,539.68
  4. Step 4: Simplify right side
    261,260.79x = 52,832,713,232.16
  5. Step 5: Solve for x
    x = 52,832,713,232.16/261,260.79
  6. Step 6: Final answer
    x = 202,222.13

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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.