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Finding the Fourth Proportional to 340,501.86, 469,888.29 and 187,537.01

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Solution

The fourth proportional to 340,501.86, 469,888.29 and 187,537.01 is: 258,798.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,501.86 : 469,888.29 = 187,537.01 : x
  2. Step 2: Convert to fraction form
    340,501.86/469,888.29 = 187,537.01/x
  3. Step 3: Cross multiply
    340,501.86x = 469,888.29 × 187,537.01
  4. Step 4: Simplify right side
    340,501.86x = 88,121,442,591.17
  5. Step 5: Solve for x
    x = 88,121,442,591.17/340,501.86
  6. Step 6: Final answer
    x = 258,798.71

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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.