Home / 342,490.22-513,938.28-190,814.25

Finding the Fourth Proportional to 342,490.22, 513,938.28 and 190,814.25

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Solution

The fourth proportional to 342,490.22, 513,938.28 and 190,814.25 is: 286,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,490.22 : 513,938.28 = 190,814.25 : x
  2. Step 2: Convert to fraction form
    342,490.22/513,938.28 = 190,814.25/x
  3. Step 3: Cross multiply
    342,490.22x = 513,938.28 × 190,814.25
  4. Step 4: Simplify right side
    342,490.22x = 98,066,747,444.49
  5. Step 5: Solve for x
    x = 98,066,747,444.49/342,490.22
  6. Step 6: Final answer
    x = 286,334.45

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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.