Home / 697,392.50-1,046,088.75-172,080.50

Finding the Fourth Proportional to 697,392.50, 1,046,088.75 and 172,080.50

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Solution

The fourth proportional to 697,392.50, 1,046,088.75 and 172,080.50 is: 258,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,392.50 : 1,046,088.75 = 172,080.50 : x
  2. Step 2: Convert to fraction form
    697,392.50/1,046,088.75 = 172,080.50/x
  3. Step 3: Cross multiply
    697,392.50x = 1,046,088.75 × 172,080.50
  4. Step 4: Simplify right side
    697,392.50x = 180,011,475,144.38
  5. Step 5: Solve for x
    x = 180,011,475,144.38/697,392.50
  6. Step 6: Final answer
    x = 258,120.75

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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.