Home / 525,821.22-788,864.52-146,741.64

Finding the Fourth Proportional to 525,821.22, 788,864.52 and 146,741.64

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Solution

The fourth proportional to 525,821.22, 788,864.52 and 146,741.64 is: 220,149.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,821.22 : 788,864.52 = 146,741.64 : x
  2. Step 2: Convert to fraction form
    525,821.22/788,864.52 = 146,741.64/x
  3. Step 3: Cross multiply
    525,821.22x = 788,864.52 × 146,741.64
  4. Step 4: Simplify right side
    525,821.22x = 115,759,273,402.61
  5. Step 5: Solve for x
    x = 115,759,273,402.61/525,821.22
  6. Step 6: Final answer
    x = 220,149.49

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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.