Home / 497,188.84-686,117.10-270,834.34

Finding the Fourth Proportional to 497,188.84, 686,117.10 and 270,834.34

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Solution

The fourth proportional to 497,188.84, 686,117.10 and 270,834.34 is: 373,749.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,188.84 : 686,117.10 = 270,834.34 : x
  2. Step 2: Convert to fraction form
    497,188.84/686,117.10 = 270,834.34/x
  3. Step 3: Cross multiply
    497,188.84x = 686,117.10 × 270,834.34
  4. Step 4: Simplify right side
    497,188.84x = 185,824,071,941.21
  5. Step 5: Solve for x
    x = 185,824,071,941.21/497,188.84
  6. Step 6: Final answer
    x = 373,749.48

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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.