Home / 284,767.20-426,567.60-144,604.80

Finding the Fourth Proportional to 284,767.20, 426,567.60 and 144,604.80

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Solution

The fourth proportional to 284,767.20, 426,567.60 and 144,604.80 is: 216,611.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,767.20 : 426,567.60 = 144,604.80 : x
  2. Step 2: Convert to fraction form
    284,767.20/426,567.60 = 144,604.80/x
  3. Step 3: Cross multiply
    284,767.20x = 426,567.60 × 144,604.80
  4. Step 4: Simplify right side
    284,767.20x = 61,683,722,484.48
  5. Step 5: Solve for x
    x = 61,683,722,484.48/284,767.20
  6. Step 6: Final answer
    x = 216,611.05

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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.