Home / 313,239.92-432,274.32-170,001.20

Finding the Fourth Proportional to 313,239.92, 432,274.32 and 170,001.20

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Solution

The fourth proportional to 313,239.92, 432,274.32 and 170,001.20 is: 234,603.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,239.92 : 432,274.32 = 170,001.20 : x
  2. Step 2: Convert to fraction form
    313,239.92/432,274.32 = 170,001.20/x
  3. Step 3: Cross multiply
    313,239.92x = 432,274.32 × 170,001.20
  4. Step 4: Simplify right side
    313,239.92x = 73,487,153,129.18
  5. Step 5: Solve for x
    x = 73,487,153,129.18/313,239.92
  6. Step 6: Final answer
    x = 234,603.41

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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.