Home / 287,126.69-430,729.43-97,536.15

Finding the Fourth Proportional to 287,126.69, 430,729.43 and 97,536.15

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Solution

The fourth proportional to 287,126.69, 430,729.43 and 97,536.15 is: 146,317.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,126.69 : 430,729.43 = 97,536.15 : x
  2. Step 2: Convert to fraction form
    287,126.69/430,729.43 = 97,536.15/x
  3. Step 3: Cross multiply
    287,126.69x = 430,729.43 × 97,536.15
  4. Step 4: Simplify right side
    287,126.69x = 42,011,689,806.21
  5. Step 5: Solve for x
    x = 42,011,689,806.21/287,126.69
  6. Step 6: Final answer
    x = 146,317.61

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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.