Home / 472,082.02-651,464.96-257,223.86

Finding the Fourth Proportional to 472,082.02, 651,464.96 and 257,223.86

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Solution

The fourth proportional to 472,082.02, 651,464.96 and 257,223.86 is: 354,964.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,082.02 : 651,464.96 = 257,223.86 : x
  2. Step 2: Convert to fraction form
    472,082.02/651,464.96 = 257,223.86/x
  3. Step 3: Cross multiply
    472,082.02x = 651,464.96 × 257,223.86
  4. Step 4: Simplify right side
    472,082.02x = 167,572,331,665.95
  5. Step 5: Solve for x
    x = 167,572,331,665.95/472,082.02
  6. Step 6: Final answer
    x = 354,964.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.