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Finding the Fourth Proportional to 330,259.90, 495,061.80 and 152,456.80

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Solution

The fourth proportional to 330,259.90, 495,061.80 and 152,456.80 is: 228,533.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,259.90 : 495,061.80 = 152,456.80 : x
  2. Step 2: Convert to fraction form
    330,259.90/495,061.80 = 152,456.80/x
  3. Step 3: Cross multiply
    330,259.90x = 495,061.80 × 152,456.80
  4. Step 4: Simplify right side
    330,259.90x = 75,475,537,830.24
  5. Step 5: Solve for x
    x = 75,475,537,830.24/330,259.90
  6. Step 6: Final answer
    x = 228,533.76

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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.