Home / 389,250.09-537,165.18-219,484.17

Finding the Fourth Proportional to 389,250.09, 537,165.18 and 219,484.17

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Solution

The fourth proportional to 389,250.09, 537,165.18 and 219,484.17 is: 302,888.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,250.09 : 537,165.18 = 219,484.17 : x
  2. Step 2: Convert to fraction form
    389,250.09/537,165.18 = 219,484.17/x
  3. Step 3: Cross multiply
    389,250.09x = 537,165.18 × 219,484.17
  4. Step 4: Simplify right side
    389,250.09x = 117,899,253,685.20
  5. Step 5: Solve for x
    x = 117,899,253,685.20/389,250.09
  6. Step 6: Final answer
    x = 302,888.19

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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.