Home / 313,869.59-432,733.47-203,291.49

Finding the Fourth Proportional to 313,869.59, 432,733.47 and 203,291.49

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Solution

The fourth proportional to 313,869.59, 432,733.47 and 203,291.49 is: 280,278.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,869.59 : 432,733.47 = 203,291.49 : x
  2. Step 2: Convert to fraction form
    313,869.59/432,733.47 = 203,291.49/x
  3. Step 3: Cross multiply
    313,869.59x = 432,733.47 × 203,291.49
  4. Step 4: Simplify right side
    313,869.59x = 87,971,031,889.17
  5. Step 5: Solve for x
    x = 87,971,031,889.17/313,869.59
  6. Step 6: Final answer
    x = 280,278.93

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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.