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Finding the Fourth Proportional to 253,711.68, 349,953.32 and 163,182.16

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Solution

The fourth proportional to 253,711.68, 349,953.32 and 163,182.16 is: 225,082.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,711.68 : 349,953.32 = 163,182.16 : x
  2. Step 2: Convert to fraction form
    253,711.68/349,953.32 = 163,182.16/x
  3. Step 3: Cross multiply
    253,711.68x = 349,953.32 × 163,182.16
  4. Step 4: Simplify right side
    253,711.68x = 57,106,138,656.77
  5. Step 5: Solve for x
    x = 57,106,138,656.77/253,711.68
  6. Step 6: Final answer
    x = 225,082.81

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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.