Home / 388,867.02-583,389.09-136,159.98

Finding the Fourth Proportional to 388,867.02, 583,389.09 and 136,159.98

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Solution

The fourth proportional to 388,867.02, 583,389.09 and 136,159.98 is: 204,270.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,867.02 : 583,389.09 = 136,159.98 : x
  2. Step 2: Convert to fraction form
    388,867.02/583,389.09 = 136,159.98/x
  3. Step 3: Cross multiply
    388,867.02x = 583,389.09 × 136,159.98
  4. Step 4: Simplify right side
    388,867.02x = 79,434,246,826.62
  5. Step 5: Solve for x
    x = 79,434,246,826.62/388,867.02
  6. Step 6: Final answer
    x = 204,270.98

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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.