Home / 287,266.02-430,829.81-127,253.48

Finding the Fourth Proportional to 287,266.02, 430,829.81 and 127,253.48

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Solution

The fourth proportional to 287,266.02, 430,829.81 and 127,253.48 is: 190,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,266.02 : 430,829.81 = 127,253.48 : x
  2. Step 2: Convert to fraction form
    287,266.02/430,829.81 = 127,253.48/x
  3. Step 3: Cross multiply
    287,266.02x = 430,829.81 × 127,253.48
  4. Step 4: Simplify right side
    287,266.02x = 54,824,593,078.34
  5. Step 5: Solve for x
    x = 54,824,593,078.34/287,266.02
  6. Step 6: Final answer
    x = 190,849.56

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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.