Home / 189,848.60-284,751.30-49,621.40

Finding the Fourth Proportional to 189,848.60, 284,751.30 and 49,621.40

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Solution

The fourth proportional to 189,848.60, 284,751.30 and 49,621.40 is: 74,426.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,848.60 : 284,751.30 = 49,621.40 : x
  2. Step 2: Convert to fraction form
    189,848.60/284,751.30 = 49,621.40/x
  3. Step 3: Cross multiply
    189,848.60x = 284,751.30 × 49,621.40
  4. Step 4: Simplify right side
    189,848.60x = 14,129,758,157.82
  5. Step 5: Solve for x
    x = 14,129,758,157.82/189,848.60
  6. Step 6: Final answer
    x = 74,426.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.