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Finding the Fourth Proportional to 330,330.95, 495,389.80 and 93,610.07

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Solution

The fourth proportional to 330,330.95, 495,389.80 and 93,610.07 is: 140,384.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,330.95 : 495,389.80 = 93,610.07 : x
  2. Step 2: Convert to fraction form
    330,330.95/495,389.80 = 93,610.07/x
  3. Step 3: Cross multiply
    330,330.95x = 495,389.80 × 93,610.07
  4. Step 4: Simplify right side
    330,330.95x = 46,373,473,855.29
  5. Step 5: Solve for x
    x = 46,373,473,855.29/330,330.95
  6. Step 6: Final answer
    x = 140,384.89

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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.