Home / 399,492.27-551,522.12-277,166.07

Finding the Fourth Proportional to 399,492.27, 551,522.12 and 277,166.07

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Solution

The fourth proportional to 399,492.27, 551,522.12 and 277,166.07 is: 382,643.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,492.27 : 551,522.12 = 277,166.07 : x
  2. Step 2: Convert to fraction form
    399,492.27/551,522.12 = 277,166.07/x
  3. Step 3: Cross multiply
    399,492.27x = 551,522.12 × 277,166.07
  4. Step 4: Simplify right side
    399,492.27x = 152,863,217,132.64
  5. Step 5: Solve for x
    x = 152,863,217,132.64/399,492.27
  6. Step 6: Final answer
    x = 382,643.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.