Home / 348,086.10-521,437.95-190,031.70

Finding the Fourth Proportional to 348,086.10, 521,437.95 and 190,031.70

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Solution

The fourth proportional to 348,086.10, 521,437.95 and 190,031.70 is: 284,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,086.10 : 521,437.95 = 190,031.70 : x
  2. Step 2: Convert to fraction form
    348,086.10/521,437.95 = 190,031.70/x
  3. Step 3: Cross multiply
    348,086.10x = 521,437.95 × 190,031.70
  4. Step 4: Simplify right side
    348,086.10x = 99,089,740,083.02
  5. Step 5: Solve for x
    x = 99,089,740,083.02/348,086.10
  6. Step 6: Final answer
    x = 284,670.20

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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.