Home / 433,431.64-649,985.78-149,041.74

Finding the Fourth Proportional to 433,431.64, 649,985.78 and 149,041.74

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Solution

The fourth proportional to 433,431.64, 649,985.78 and 149,041.74 is: 223,507.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,431.64 : 649,985.78 = 149,041.74 : x
  2. Step 2: Convert to fraction form
    433,431.64/649,985.78 = 149,041.74/x
  3. Step 3: Cross multiply
    433,431.64x = 649,985.78 × 149,041.74
  4. Step 4: Simplify right side
    433,431.64x = 96,875,011,626.46
  5. Step 5: Solve for x
    x = 96,875,011,626.46/433,431.64
  6. Step 6: Final answer
    x = 223,507.01

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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.