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Finding the Fourth Proportional to 258,762.57, 357,101.79 and 144,047.13

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Solution

The fourth proportional to 258,762.57, 357,101.79 and 144,047.13 is: 198,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,762.57 : 357,101.79 = 144,047.13 : x
  2. Step 2: Convert to fraction form
    258,762.57/357,101.79 = 144,047.13/x
  3. Step 3: Cross multiply
    258,762.57x = 357,101.79 × 144,047.13
  4. Step 4: Simplify right side
    258,762.57x = 51,439,487,967.36
  5. Step 5: Solve for x
    x = 51,439,487,967.36/258,762.57
  6. Step 6: Final answer
    x = 198,790.30

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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.