Home / 318,636.17-439,717.83-175,395.50

Finding the Fourth Proportional to 318,636.17, 439,717.83 and 175,395.50

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Solution

The fourth proportional to 318,636.17, 439,717.83 and 175,395.50 is: 242,045.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,636.17 : 439,717.83 = 175,395.50 : x
  2. Step 2: Convert to fraction form
    318,636.17/439,717.83 = 175,395.50/x
  3. Step 3: Cross multiply
    318,636.17x = 439,717.83 × 175,395.50
  4. Step 4: Simplify right side
    318,636.17x = 77,124,528,651.77
  5. Step 5: Solve for x
    x = 77,124,528,651.77/318,636.17
  6. Step 6: Final answer
    x = 242,045.74

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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.