Home / 230,438.04-345,719.85-70,510.50

Finding the Fourth Proportional to 230,438.04, 345,719.85 and 70,510.50

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Solution

The fourth proportional to 230,438.04, 345,719.85 and 70,510.50 is: 105,784.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,438.04 : 345,719.85 = 70,510.50 : x
  2. Step 2: Convert to fraction form
    230,438.04/345,719.85 = 70,510.50/x
  3. Step 3: Cross multiply
    230,438.04x = 345,719.85 × 70,510.50
  4. Step 4: Simplify right side
    230,438.04x = 24,376,879,483.43
  5. Step 5: Solve for x
    x = 24,376,879,483.43/230,438.04
  6. Step 6: Final answer
    x = 105,784.96

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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.