Home / 388,941.13-583,510.09-108,458.41

Finding the Fourth Proportional to 388,941.13, 583,510.09 and 108,458.41

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Solution

The fourth proportional to 388,941.13, 583,510.09 and 108,458.41 is: 162,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,941.13 : 583,510.09 = 108,458.41 : x
  2. Step 2: Convert to fraction form
    388,941.13/583,510.09 = 108,458.41/x
  3. Step 3: Cross multiply
    388,941.13x = 583,510.09 × 108,458.41
  4. Step 4: Simplify right side
    388,941.13x = 63,286,573,391.66
  5. Step 5: Solve for x
    x = 63,286,573,391.66/388,941.13
  6. Step 6: Final answer
    x = 162,715.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.