Home / 247,699.05-371,547.89-70,207.61

Finding the Fourth Proportional to 247,699.05, 371,547.89 and 70,207.61

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Solution

The fourth proportional to 247,699.05, 371,547.89 and 70,207.61 is: 105,311.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,699.05 : 371,547.89 = 70,207.61 : x
  2. Step 2: Convert to fraction form
    247,699.05/371,547.89 = 70,207.61/x
  3. Step 3: Cross multiply
    247,699.05x = 371,547.89 × 70,207.61
  4. Step 4: Simplify right side
    247,699.05x = 26,085,487,148.67
  5. Step 5: Solve for x
    x = 26,085,487,148.67/247,699.05
  6. Step 6: Final answer
    x = 105,311.21

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1.5x scale

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.