Home / 472,179.13-651,588.23-257,314.57

Finding the Fourth Proportional to 472,179.13, 651,588.23 and 257,314.57

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Solution

The fourth proportional to 472,179.13, 651,588.23 and 257,314.57 is: 355,083.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,179.13 : 651,588.23 = 257,314.57 : x
  2. Step 2: Convert to fraction form
    472,179.13/651,588.23 = 257,314.57/x
  3. Step 3: Cross multiply
    472,179.13x = 651,588.23 × 257,314.57
  4. Step 4: Simplify right side
    472,179.13x = 167,663,144,233.83
  5. Step 5: Solve for x
    x = 167,663,144,233.83/472,179.13
  6. Step 6: Final answer
    x = 355,083.77

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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.