Home / 670,668.30-1,006,002.45-172,032.30

Finding the Fourth Proportional to 670,668.30, 1,006,002.45 and 172,032.30

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Solution

The fourth proportional to 670,668.30, 1,006,002.45 and 172,032.30 is: 258,048.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,668.30 : 1,006,002.45 = 172,032.30 : x
  2. Step 2: Convert to fraction form
    670,668.30/1,006,002.45 = 172,032.30/x
  3. Step 3: Cross multiply
    670,668.30x = 1,006,002.45 × 172,032.30
  4. Step 4: Simplify right side
    670,668.30x = 173,064,915,279.14
  5. Step 5: Solve for x
    x = 173,064,915,279.14/670,668.30
  6. Step 6: Final answer
    x = 258,048.45

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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.