Home / 305,134.04-457,588.70-105,403.16

Finding the Fourth Proportional to 305,134.04, 457,588.70 and 105,403.16

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Solution

The fourth proportional to 305,134.04, 457,588.70 and 105,403.16 is: 158,065.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,134.04 : 457,588.70 = 105,403.16 : x
  2. Step 2: Convert to fraction form
    305,134.04/457,588.70 = 105,403.16/x
  3. Step 3: Cross multiply
    305,134.04x = 457,588.70 × 105,403.16
  4. Step 4: Simplify right side
    305,134.04x = 48,231,294,960.29
  5. Step 5: Solve for x
    x = 48,231,294,960.29/305,134.04
  6. Step 6: Final answer
    x = 158,065.93

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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.