Home / 279,670.04-385,942.67-152,345.63

Finding the Fourth Proportional to 279,670.04, 385,942.67 and 152,345.63

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Solution

The fourth proportional to 279,670.04, 385,942.67 and 152,345.63 is: 210,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,670.04 : 385,942.67 = 152,345.63 : x
  2. Step 2: Convert to fraction form
    279,670.04/385,942.67 = 152,345.63/x
  3. Step 3: Cross multiply
    279,670.04x = 385,942.67 × 152,345.63
  4. Step 4: Simplify right side
    279,670.04x = 58,796,680,550.75
  5. Step 5: Solve for x
    x = 58,796,680,550.75/279,670.04
  6. Step 6: Final answer
    x = 210,235.90

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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.