Home / 525,821.32-788,865.03-146,742.01

Finding the Fourth Proportional to 525,821.32, 788,865.03 and 146,742.01

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Solution

The fourth proportional to 525,821.32, 788,865.03 and 146,742.01 is: 220,150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,821.32 : 788,865.03 = 146,742.01 : x
  2. Step 2: Convert to fraction form
    525,821.32/788,865.03 = 146,742.01/x
  3. Step 3: Cross multiply
    525,821.32x = 788,865.03 × 146,742.01
  4. Step 4: Simplify right side
    525,821.32x = 115,759,640,120.91
  5. Step 5: Solve for x
    x = 115,759,640,120.91/525,821.32
  6. Step 6: Final answer
    x = 220,150.15

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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.