Home / 253,219.22-349,428.39-138,475.22

Finding the Fourth Proportional to 253,219.22, 349,428.39 and 138,475.22

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Solution

The fourth proportional to 253,219.22, 349,428.39 and 138,475.22 is: 191,088.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,219.22 : 349,428.39 = 138,475.22 : x
  2. Step 2: Convert to fraction form
    253,219.22/349,428.39 = 138,475.22/x
  3. Step 3: Cross multiply
    253,219.22x = 349,428.39 × 138,475.22
  4. Step 4: Simplify right side
    253,219.22x = 48,387,173,179.50
  5. Step 5: Solve for x
    x = 48,387,173,179.50/253,219.22
  6. Step 6: Final answer
    x = 191,088.07

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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.