Home / 285,945.66-429,057-117,590.40

Finding the Fourth Proportional to 285,945.66, 429,057 and 117,590.40

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Solution

The fourth proportional to 285,945.66, 429,057 and 117,590.40 is: 176,442.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,945.66 : 429,057 = 117,590.40 : x
  2. Step 2: Convert to fraction form
    285,945.66/429,057 = 117,590.40/x
  3. Step 3: Cross multiply
    285,945.66x = 429,057 × 117,590.40
  4. Step 4: Simplify right side
    285,945.66x = 50,452,984,252.80
  5. Step 5: Solve for x
    x = 50,452,984,252.80/285,945.66
  6. Step 6: Final answer
    x = 176,442.56

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1.5x scale

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.