Home / 388,340.02-536,003.60-224,970.13

Finding the Fourth Proportional to 388,340.02, 536,003.60 and 224,970.13

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Solution

The fourth proportional to 388,340.02, 536,003.60 and 224,970.13 is: 310,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,340.02 : 536,003.60 = 224,970.13 : x
  2. Step 2: Convert to fraction form
    388,340.02/536,003.60 = 224,970.13/x
  3. Step 3: Cross multiply
    388,340.02x = 536,003.60 × 224,970.13
  4. Step 4: Simplify right side
    388,340.02x = 120,584,798,794.88
  5. Step 5: Solve for x
    x = 120,584,798,794.88/388,340.02
  6. Step 6: Final answer
    x = 310,513.45

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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.