Home / 342,487.47-513,934.16-190,811.50

Finding the Fourth Proportional to 342,487.47, 513,934.16 and 190,811.50

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Solution

The fourth proportional to 342,487.47, 513,934.16 and 190,811.50 is: 286,330.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,487.47 : 513,934.16 = 190,811.50 : x
  2. Step 2: Convert to fraction form
    342,487.47/513,934.16 = 190,811.50/x
  3. Step 3: Cross multiply
    342,487.47x = 513,934.16 × 190,811.50
  4. Step 4: Simplify right side
    342,487.47x = 98,064,547,016.78
  5. Step 5: Solve for x
    x = 98,064,547,016.78/342,487.47
  6. Step 6: Final answer
    x = 286,330.32

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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.