Home / 291,075.12-435,802.88-148,612.73

Finding the Fourth Proportional to 291,075.12, 435,802.88 and 148,612.73

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Solution

The fourth proportional to 291,075.12, 435,802.88 and 148,612.73 is: 222,505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,075.12 : 435,802.88 = 148,612.73 : x
  2. Step 2: Convert to fraction form
    291,075.12/435,802.88 = 148,612.73/x
  3. Step 3: Cross multiply
    291,075.12x = 435,802.88 × 148,612.73
  4. Step 4: Simplify right side
    291,075.12x = 64,765,853,931.18
  5. Step 5: Solve for x
    x = 64,765,853,931.18/291,075.12
  6. Step 6: Final answer
    x = 222,505.63

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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.