Home / 278,695.04-384,595.52-151,374.72

Finding the Fourth Proportional to 278,695.04, 384,595.52 and 151,374.72

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Solution

The fourth proportional to 278,695.04, 384,595.52 and 151,374.72 is: 208,895.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,695.04 : 384,595.52 = 151,374.72 : x
  2. Step 2: Convert to fraction form
    278,695.04/384,595.52 = 151,374.72/x
  3. Step 3: Cross multiply
    278,695.04x = 384,595.52 × 151,374.72
  4. Step 4: Simplify right side
    278,695.04x = 58,218,039,153.25
  5. Step 5: Solve for x
    x = 58,218,039,153.25/278,695.04
  6. Step 6: Final answer
    x = 208,895.14

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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.