Home / 418,289.46-577,242.63-227,303.88

Finding the Fourth Proportional to 418,289.46, 577,242.63 and 227,303.88

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Solution

The fourth proportional to 418,289.46, 577,242.63 and 227,303.88 is: 313,681.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,289.46 : 577,242.63 = 227,303.88 : x
  2. Step 2: Convert to fraction form
    418,289.46/577,242.63 = 227,303.88/x
  3. Step 3: Cross multiply
    418,289.46x = 577,242.63 × 227,303.88
  4. Step 4: Simplify right side
    418,289.46x = 131,209,489,500.40
  5. Step 5: Solve for x
    x = 131,209,489,500.40/418,289.46
  6. Step 6: Final answer
    x = 313,681.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.