Home / 271,895.04-407,225.88-145,312.56

Finding the Fourth Proportional to 271,895.04, 407,225.88 and 145,312.56

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Solution

The fourth proportional to 271,895.04, 407,225.88 and 145,312.56 is: 217,639.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,895.04 : 407,225.88 = 145,312.56 : x
  2. Step 2: Convert to fraction form
    271,895.04/407,225.88 = 145,312.56/x
  3. Step 3: Cross multiply
    271,895.04x = 407,225.88 × 145,312.56
  4. Step 4: Simplify right side
    271,895.04x = 59,175,035,121.05
  5. Step 5: Solve for x
    x = 59,175,035,121.05/271,895.04
  6. Step 6: Final answer
    x = 217,639.26

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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.