Home / 287,901.02-397,097.68-249,592.04

Finding the Fourth Proportional to 287,901.02, 397,097.68 and 249,592.04

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Solution

The fourth proportional to 287,901.02, 397,097.68 and 249,592.04 is: 344,258.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,901.02 : 397,097.68 = 249,592.04 : x
  2. Step 2: Convert to fraction form
    287,901.02/397,097.68 = 249,592.04/x
  3. Step 3: Cross multiply
    287,901.02x = 397,097.68 × 249,592.04
  4. Step 4: Simplify right side
    287,901.02x = 99,112,417,421.00
  5. Step 5: Solve for x
    x = 99,112,417,421.00/287,901.02
  6. Step 6: Final answer
    x = 344,258.66

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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.