Home / 302,024.40-453,166.20-154,280.40

Finding the Fourth Proportional to 302,024.40, 453,166.20 and 154,280.40

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Solution

The fourth proportional to 302,024.40, 453,166.20 and 154,280.40 is: 231,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,024.40 : 453,166.20 = 154,280.40 : x
  2. Step 2: Convert to fraction form
    302,024.40/453,166.20 = 154,280.40/x
  3. Step 3: Cross multiply
    302,024.40x = 453,166.20 × 154,280.40
  4. Step 4: Simplify right side
    302,024.40x = 69,914,662,602.48
  5. Step 5: Solve for x
    x = 69,914,662,602.48/302,024.40
  6. Step 6: Final answer
    x = 231,486.80

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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.