Home / 400,159.04-599,574-281,581.52

Finding the Fourth Proportional to 400,159.04, 599,574 and 281,581.52

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Solution

The fourth proportional to 400,159.04, 599,574 and 281,581.52 is: 421,904.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,159.04 : 599,574 = 281,581.52 : x
  2. Step 2: Convert to fraction form
    400,159.04/599,574 = 281,581.52/x
  3. Step 3: Cross multiply
    400,159.04x = 599,574 × 281,581.52
  4. Step 4: Simplify right side
    400,159.04x = 168,828,958,272.48
  5. Step 5: Solve for x
    x = 168,828,958,272.48/400,159.04
  6. Step 6: Final answer
    x = 421,904.65

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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.