Home / 364,749.57-502,240.13-330,535.45

Finding the Fourth Proportional to 364,749.57, 502,240.13 and 330,535.45

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Solution

The fourth proportional to 364,749.57, 502,240.13 and 330,535.45 is: 455,129.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,749.57 : 502,240.13 = 330,535.45 : x
  2. Step 2: Convert to fraction form
    364,749.57/502,240.13 = 330,535.45/x
  3. Step 3: Cross multiply
    364,749.57x = 502,240.13 × 330,535.45
  4. Step 4: Simplify right side
    364,749.57x = 166,008,167,377.61
  5. Step 5: Solve for x
    x = 166,008,167,377.61/364,749.57
  6. Step 6: Final answer
    x = 455,129.17

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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.