Home / 348,319.47-522,627.15-190,363.40

Finding the Fourth Proportional to 348,319.47, 522,627.15 and 190,363.40

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Solution

The fourth proportional to 348,319.47, 522,627.15 and 190,363.40 is: 285,625.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,319.47 : 522,627.15 = 190,363.40 : x
  2. Step 2: Convert to fraction form
    348,319.47/522,627.15 = 190,363.40/x
  3. Step 3: Cross multiply
    348,319.47x = 522,627.15 × 190,363.40
  4. Step 4: Simplify right side
    348,319.47x = 99,489,081,266.89
  5. Step 5: Solve for x
    x = 99,489,081,266.89/348,319.47
  6. Step 6: Final answer
    x = 285,625.95

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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.