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Finding the Fourth Proportional to 472,182.76, 651,610.04 and 257,322.77

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Solution

The fourth proportional to 472,182.76, 651,610.04 and 257,322.77 is: 355,104.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,182.76 : 651,610.04 = 257,322.77 : x
  2. Step 2: Convert to fraction form
    472,182.76/651,610.04 = 257,322.77/x
  3. Step 3: Cross multiply
    472,182.76x = 651,610.04 × 257,322.77
  4. Step 4: Simplify right side
    472,182.76x = 167,674,100,452.61
  5. Step 5: Solve for x
    x = 167,674,100,452.61/472,182.76
  6. Step 6: Final answer
    x = 355,104.24

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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.