Home / 291,810.39-437,588.45-155,003.55

Finding the Fourth Proportional to 291,810.39, 437,588.45 and 155,003.55

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Solution

The fourth proportional to 291,810.39, 437,588.45 and 155,003.55 is: 232,437.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,810.39 : 437,588.45 = 155,003.55 : x
  2. Step 2: Convert to fraction form
    291,810.39/437,588.45 = 155,003.55/x
  3. Step 3: Cross multiply
    291,810.39x = 437,588.45 × 155,003.55
  4. Step 4: Simplify right side
    291,810.39x = 67,827,763,189.00
  5. Step 5: Solve for x
    x = 67,827,763,189.00/291,810.39
  6. Step 6: Final answer
    x = 232,437.79

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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.