Home / 437,687.10-656,588-171,413.02

Finding the Fourth Proportional to 437,687.10, 656,588 and 171,413.02

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Solution

The fourth proportional to 437,687.10, 656,588 and 171,413.02 is: 257,141.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,687.10 : 656,588 = 171,413.02 : x
  2. Step 2: Convert to fraction form
    437,687.10/656,588 = 171,413.02/x
  3. Step 3: Cross multiply
    437,687.10x = 656,588 × 171,413.02
  4. Step 4: Simplify right side
    437,687.10x = 112,547,731,975.76
  5. Step 5: Solve for x
    x = 112,547,731,975.76/437,687.10
  6. Step 6: Final answer
    x = 257,141.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.