Home / 472,028.19-651,398.98-257,168.26

Finding the Fourth Proportional to 472,028.19, 651,398.98 and 257,168.26

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Solution

The fourth proportional to 472,028.19, 651,398.98 and 257,168.26 is: 354,892.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,028.19 : 651,398.98 = 257,168.26 : x
  2. Step 2: Convert to fraction form
    472,028.19/651,398.98 = 257,168.26/x
  3. Step 3: Cross multiply
    472,028.19x = 651,398.98 × 257,168.26
  4. Step 4: Simplify right side
    472,028.19x = 167,519,141,073.83
  5. Step 5: Solve for x
    x = 167,519,141,073.83/472,028.19
  6. Step 6: Final answer
    x = 354,892.24

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1.5x scale

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.