Home / 286,983.40-430,475.10-247,617.40

Finding the Fourth Proportional to 286,983.40, 430,475.10 and 247,617.40

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Solution

The fourth proportional to 286,983.40, 430,475.10 and 247,617.40 is: 371,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,983.40 : 430,475.10 = 247,617.40 : x
  2. Step 2: Convert to fraction form
    286,983.40/430,475.10 = 247,617.40/x
  3. Step 3: Cross multiply
    286,983.40x = 430,475.10 × 247,617.40
  4. Step 4: Simplify right side
    286,983.40x = 106,593,125,026.74
  5. Step 5: Solve for x
    x = 106,593,125,026.74/286,983.40
  6. Step 6: Final answer
    x = 371,426.10

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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.