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Finding the Fourth Proportional to 348,445.89, 480,678.09 and 227,657.88

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Solution

The fourth proportional to 348,445.89, 480,678.09 and 227,657.88 is: 314,052.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,445.89 : 480,678.09 = 227,657.88 : x
  2. Step 2: Convert to fraction form
    348,445.89/480,678.09 = 227,657.88/x
  3. Step 3: Cross multiply
    348,445.89x = 480,678.09 × 227,657.88
  4. Step 4: Simplify right side
    348,445.89x = 109,430,154,931.85
  5. Step 5: Solve for x
    x = 109,430,154,931.85/348,445.89
  6. Step 6: Final answer
    x = 314,052.08

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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.