Home / 658,567.81-987,736.89-185,140.63

Finding the Fourth Proportional to 658,567.81, 987,736.89 and 185,140.63

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Solution

The fourth proportional to 658,567.81, 987,736.89 and 185,140.63 is: 277,678.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,567.81 : 987,736.89 = 185,140.63 : x
  2. Step 2: Convert to fraction form
    658,567.81/987,736.89 = 185,140.63/x
  3. Step 3: Cross multiply
    658,567.81x = 987,736.89 × 185,140.63
  4. Step 4: Simplify right side
    658,567.81x = 182,870,225,150.16
  5. Step 5: Solve for x
    x = 182,870,225,150.16/658,567.81
  6. Step 6: Final answer
    x = 277,678.66

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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.