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Finding the Fourth Proportional to 304,250.80, 455,501.40 and 186,152.80

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Solution

The fourth proportional to 304,250.80, 455,501.40 and 186,152.80 is: 278,693.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,250.80 : 455,501.40 = 186,152.80 : x
  2. Step 2: Convert to fraction form
    304,250.80/455,501.40 = 186,152.80/x
  3. Step 3: Cross multiply
    304,250.80x = 455,501.40 × 186,152.80
  4. Step 4: Simplify right side
    304,250.80x = 84,792,861,013.92
  5. Step 5: Solve for x
    x = 84,792,861,013.92/304,250.80
  6. Step 6: Final answer
    x = 278,693.96

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1.5x scale

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.