Home / 302,572.20-453,858.30-284,140.20

Finding the Fourth Proportional to 302,572.20, 453,858.30 and 284,140.20

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Solution

The fourth proportional to 302,572.20, 453,858.30 and 284,140.20 is: 426,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,572.20 : 453,858.30 = 284,140.20 : x
  2. Step 2: Convert to fraction form
    302,572.20/453,858.30 = 284,140.20/x
  3. Step 3: Cross multiply
    302,572.20x = 453,858.30 × 284,140.20
  4. Step 4: Simplify right side
    302,572.20x = 128,959,388,133.66
  5. Step 5: Solve for x
    x = 128,959,388,133.66/302,572.20
  6. Step 6: Final answer
    x = 426,210.30

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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.