Home / 305,312.04-457,855.74-105,581.16

Finding the Fourth Proportional to 305,312.04, 457,855.74 and 105,581.16

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Solution

The fourth proportional to 305,312.04, 457,855.74 and 105,581.16 is: 158,332.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,312.04 : 457,855.74 = 105,581.16 : x
  2. Step 2: Convert to fraction form
    305,312.04/457,855.74 = 105,581.16/x
  3. Step 3: Cross multiply
    305,312.04x = 457,855.74 × 105,581.16
  4. Step 4: Simplify right side
    305,312.04x = 48,340,940,141.86
  5. Step 5: Solve for x
    x = 48,340,940,141.86/305,312.04
  6. Step 6: Final answer
    x = 158,332.90

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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.