Home / 291,809.64-437,587.33-155,002.80

Finding the Fourth Proportional to 291,809.64, 437,587.33 and 155,002.80

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Solution

The fourth proportional to 291,809.64, 437,587.33 and 155,002.80 is: 232,436.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,809.64 : 437,587.33 = 155,002.80 : x
  2. Step 2: Convert to fraction form
    291,809.64/437,587.33 = 155,002.80/x
  3. Step 3: Cross multiply
    291,809.64x = 437,587.33 × 155,002.80
  4. Step 4: Simplify right side
    291,809.64x = 67,827,261,007.02
  5. Step 5: Solve for x
    x = 67,827,261,007.02/291,809.64
  6. Step 6: Final answer
    x = 232,436.67

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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.