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Finding the Fourth Proportional to 253,532.04, 349,870.77 and 138,809.22

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Solution

The fourth proportional to 253,532.04, 349,870.77 and 138,809.22 is: 191,554.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,532.04 : 349,870.77 = 138,809.22 : x
  2. Step 2: Convert to fraction form
    253,532.04/349,870.77 = 138,809.22/x
  3. Step 3: Cross multiply
    253,532.04x = 349,870.77 × 138,809.22
  4. Step 4: Simplify right side
    253,532.04x = 48,565,288,684.50
  5. Step 5: Solve for x
    x = 48,565,288,684.50/253,532.04
  6. Step 6: Final answer
    x = 191,554.84

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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.