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Finding the Fourth Proportional to 370,127.58, 510,779.58 and 217,168.37

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Solution

The fourth proportional to 370,127.58, 510,779.58 and 217,168.37 is: 299,694.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,127.58 : 510,779.58 = 217,168.37 : x
  2. Step 2: Convert to fraction form
    370,127.58/510,779.58 = 217,168.37/x
  3. Step 3: Cross multiply
    370,127.58x = 510,779.58 × 217,168.37
  4. Step 4: Simplify right side
    370,127.58x = 110,925,167,732.04
  5. Step 5: Solve for x
    x = 110,925,167,732.04/370,127.58
  6. Step 6: Final answer
    x = 299,694.42

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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.