Home / 291,569.10-437,353.65-123,279.45

Finding the Fourth Proportional to 291,569.10, 437,353.65 and 123,279.45

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Solution

The fourth proportional to 291,569.10, 437,353.65 and 123,279.45 is: 184,919.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,569.10 : 437,353.65 = 123,279.45 : x
  2. Step 2: Convert to fraction form
    291,569.10/437,353.65 = 123,279.45/x
  3. Step 3: Cross multiply
    291,569.10x = 437,353.65 × 123,279.45
  4. Step 4: Simplify right side
    291,569.10x = 53,916,717,427.49
  5. Step 5: Solve for x
    x = 53,916,717,427.49/291,569.10
  6. Step 6: Final answer
    x = 184,919.18

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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.