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Finding the Fourth Proportional to 479,973.96, 662,307.30 and 265,101.21

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Solution

The fourth proportional to 479,973.96, 662,307.30 and 265,101.21 is: 365,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,973.96 : 662,307.30 = 265,101.21 : x
  2. Step 2: Convert to fraction form
    479,973.96/662,307.30 = 265,101.21/x
  3. Step 3: Cross multiply
    479,973.96x = 662,307.30 × 265,101.21
  4. Step 4: Simplify right side
    479,973.96x = 175,578,466,621.83
  5. Step 5: Solve for x
    x = 175,578,466,621.83/479,973.96
  6. Step 6: Final answer
    x = 365,808.32

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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.