Home / 302,499.10-453,639.30-152,689.60

Finding the Fourth Proportional to 302,499.10, 453,639.30 and 152,689.60

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Solution

The fourth proportional to 302,499.10, 453,639.30 and 152,689.60 is: 228,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,499.10 : 453,639.30 = 152,689.60 : x
  2. Step 2: Convert to fraction form
    302,499.10/453,639.30 = 152,689.60/x
  3. Step 3: Cross multiply
    302,499.10x = 453,639.30 × 152,689.60
  4. Step 4: Simplify right side
    302,499.10x = 69,266,003,261.28
  5. Step 5: Solve for x
    x = 69,266,003,261.28/302,499.10
  6. Step 6: Final answer
    x = 228,979.20

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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.