Home / 391,492.04-540,233.45-230,315.95

Finding the Fourth Proportional to 391,492.04, 540,233.45 and 230,315.95

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Solution

The fourth proportional to 391,492.04, 540,233.45 and 230,315.95 is: 317,820.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,492.04 : 540,233.45 = 230,315.95 : x
  2. Step 2: Convert to fraction form
    391,492.04/540,233.45 = 230,315.95/x
  3. Step 3: Cross multiply
    391,492.04x = 540,233.45 × 230,315.95
  4. Step 4: Simplify right side
    391,492.04x = 124,424,377,756.36
  5. Step 5: Solve for x
    x = 124,424,377,756.36/391,492.04
  6. Step 6: Final answer
    x = 317,820.96

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1.5x scale

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.