Home / 525,209.32-787,748.37-146,158.48

Finding the Fourth Proportional to 525,209.32, 787,748.37 and 146,158.48

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Solution

The fourth proportional to 525,209.32, 787,748.37 and 146,158.48 is: 219,219.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,209.32 : 787,748.37 = 146,158.48 : x
  2. Step 2: Convert to fraction form
    525,209.32/787,748.37 = 146,158.48/x
  3. Step 3: Cross multiply
    525,209.32x = 787,748.37 × 146,158.48
  4. Step 4: Simplify right side
    525,209.32x = 115,136,104,381.68
  5. Step 5: Solve for x
    x = 115,136,104,381.68/525,209.32
  6. Step 6: Final answer
    x = 219,219.46

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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.