Home / 369,071.13-509,315.85-207,977.93

Finding the Fourth Proportional to 369,071.13, 509,315.85 and 207,977.93

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Solution

The fourth proportional to 369,071.13, 509,315.85 and 207,977.93 is: 287,008.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,071.13 : 509,315.85 = 207,977.93 : x
  2. Step 2: Convert to fraction form
    369,071.13/509,315.85 = 207,977.93/x
  3. Step 3: Cross multiply
    369,071.13x = 509,315.85 × 207,977.93
  4. Step 4: Simplify right side
    369,071.13x = 105,926,455,562.55
  5. Step 5: Solve for x
    x = 105,926,455,562.55/369,071.13
  6. Step 6: Final answer
    x = 287,008.24

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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.