Home / 382,485.04-527,821.86-212,715.52

Finding the Fourth Proportional to 382,485.04, 527,821.86 and 212,715.52

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Solution

The fourth proportional to 382,485.04, 527,821.86 and 212,715.52 is: 293,543.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,485.04 : 527,821.86 = 212,715.52 : x
  2. Step 2: Convert to fraction form
    382,485.04/527,821.86 = 212,715.52/x
  3. Step 3: Cross multiply
    382,485.04x = 527,821.86 × 212,715.52
  4. Step 4: Simplify right side
    382,485.04x = 112,275,901,417.27
  5. Step 5: Solve for x
    x = 112,275,901,417.27/382,485.04
  6. Step 6: Final answer
    x = 293,543.25

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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.