Home / 242,420.90-334,587.58-146,979.86

Finding the Fourth Proportional to 242,420.90, 334,587.58 and 146,979.86

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Solution

The fourth proportional to 242,420.90, 334,587.58 and 146,979.86 is: 202,860.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,420.90 : 334,587.58 = 146,979.86 : x
  2. Step 2: Convert to fraction form
    242,420.90/334,587.58 = 146,979.86/x
  3. Step 3: Cross multiply
    242,420.90x = 334,587.58 × 146,979.86
  4. Step 4: Simplify right side
    242,420.90x = 49,177,635,666.14
  5. Step 5: Solve for x
    x = 49,177,635,666.14/242,420.90
  6. Step 6: Final answer
    x = 202,860.54

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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.