Home / 354,492.17-531,675.12-141,242.21

Finding the Fourth Proportional to 354,492.17, 531,675.12 and 141,242.21

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Solution

The fourth proportional to 354,492.17, 531,675.12 and 141,242.21 is: 211,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,492.17 : 531,675.12 = 141,242.21 : x
  2. Step 2: Convert to fraction form
    354,492.17/531,675.12 = 141,242.21/x
  3. Step 3: Cross multiply
    354,492.17x = 531,675.12 × 141,242.21
  4. Step 4: Simplify right side
    354,492.17x = 75,094,968,950.82
  5. Step 5: Solve for x
    x = 75,094,968,950.82/354,492.17
  6. Step 6: Final answer
    x = 211,838.16

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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.