Home / 307,246.32-460,549.64-172,112.28

Finding the Fourth Proportional to 307,246.32, 460,549.64 and 172,112.28

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Solution

The fourth proportional to 307,246.32, 460,549.64 and 172,112.28 is: 257,989.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,246.32 : 460,549.64 = 172,112.28 : x
  2. Step 2: Convert to fraction form
    307,246.32/460,549.64 = 172,112.28/x
  3. Step 3: Cross multiply
    307,246.32x = 460,549.64 × 172,112.28
  4. Step 4: Simplify right side
    307,246.32x = 79,266,247,733.02
  5. Step 5: Solve for x
    x = 79,266,247,733.02/307,246.32
  6. Step 6: Final answer
    x = 257,989.25

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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.