Home / 642,514.81-962,758.31-237,149.08

Finding the Fourth Proportional to 642,514.81, 962,758.31 and 237,149.08

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Solution

The fourth proportional to 642,514.81, 962,758.31 and 237,149.08 is: 355,349.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,514.81 : 962,758.31 = 237,149.08 : x
  2. Step 2: Convert to fraction form
    642,514.81/962,758.31 = 237,149.08/x
  3. Step 3: Cross multiply
    642,514.81x = 962,758.31 × 237,149.08
  4. Step 4: Simplify right side
    642,514.81x = 228,317,242,665.06
  5. Step 5: Solve for x
    x = 228,317,242,665.06/642,514.81
  6. Step 6: Final answer
    x = 355,349.39

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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.