Home / 525,800.18-788,832.98-146,720.58

Finding the Fourth Proportional to 525,800.18, 788,832.98 and 146,720.58

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Solution

The fourth proportional to 525,800.18, 788,832.98 and 146,720.58 is: 220,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,800.18 : 788,832.98 = 146,720.58 : x
  2. Step 2: Convert to fraction form
    525,800.18/788,832.98 = 146,720.58/x
  3. Step 3: Cross multiply
    525,800.18x = 788,832.98 × 146,720.58
  4. Step 4: Simplify right side
    525,800.18x = 115,738,031,615.13
  5. Step 5: Solve for x
    x = 115,738,031,615.13/525,800.18
  6. Step 6: Final answer
    x = 220,117.90

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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.