Home / 291,810.64-437,588.83-155,003.80

Finding the Fourth Proportional to 291,810.64, 437,588.83 and 155,003.80

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Solution

The fourth proportional to 291,810.64, 437,588.83 and 155,003.80 is: 232,438.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,810.64 : 437,588.83 = 155,003.80 : x
  2. Step 2: Convert to fraction form
    291,810.64/437,588.83 = 155,003.80/x
  3. Step 3: Cross multiply
    291,810.64x = 437,588.83 × 155,003.80
  4. Step 4: Simplify right side
    291,810.64x = 67,827,931,487.55
  5. Step 5: Solve for x
    x = 67,827,931,487.55/291,810.64
  6. Step 6: Final answer
    x = 232,438.17

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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.