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Finding the Fourth Proportional to 370,477.62, 511,071.21 and 234,282.06

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Solution

The fourth proportional to 370,477.62, 511,071.21 and 234,282.06 is: 323,190.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,477.62 : 511,071.21 = 234,282.06 : x
  2. Step 2: Convert to fraction form
    370,477.62/511,071.21 = 234,282.06/x
  3. Step 3: Cross multiply
    370,477.62x = 511,071.21 × 234,282.06
  4. Step 4: Simplify right side
    370,477.62x = 119,734,815,885.49
  5. Step 5: Solve for x
    x = 119,734,815,885.49/370,477.62
  6. Step 6: Final answer
    x = 323,190.42

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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.