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Finding the Fourth Proportional to 418,482.30, 577,498.77 and 227,500.50

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Solution

The fourth proportional to 418,482.30, 577,498.77 and 227,500.50 is: 313,946.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,482.30 : 577,498.77 = 227,500.50 : x
  2. Step 2: Convert to fraction form
    418,482.30/577,498.77 = 227,500.50/x
  3. Step 3: Cross multiply
    418,482.30x = 577,498.77 × 227,500.50
  4. Step 4: Simplify right side
    418,482.30x = 131,381,258,924.39
  5. Step 5: Solve for x
    x = 131,381,258,924.39/418,482.30
  6. Step 6: Final answer
    x = 313,946.99

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1.5x scale

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.