Home / 287,894.11-397,088.19-249,585.16

Finding the Fourth Proportional to 287,894.11, 397,088.19 and 249,585.16

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Solution

The fourth proportional to 287,894.11, 397,088.19 and 249,585.16 is: 344,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,894.11 : 397,088.19 = 249,585.16 : x
  2. Step 2: Convert to fraction form
    287,894.11/397,088.19 = 249,585.16/x
  3. Step 3: Cross multiply
    287,894.11x = 397,088.19 × 249,585.16
  4. Step 4: Simplify right side
    287,894.11x = 99,107,316,201.89
  5. Step 5: Solve for x
    x = 99,107,316,201.89/287,894.11
  6. Step 6: Final answer
    x = 344,249.20

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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.