Home / 283,024.76-390,581.27-153,970.50

Finding the Fourth Proportional to 283,024.76, 390,581.27 and 153,970.50

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Solution

The fourth proportional to 283,024.76, 390,581.27 and 153,970.50 is: 212,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,024.76 : 390,581.27 = 153,970.50 : x
  2. Step 2: Convert to fraction form
    283,024.76/390,581.27 = 153,970.50/x
  3. Step 3: Cross multiply
    283,024.76x = 390,581.27 × 153,970.50
  4. Step 4: Simplify right side
    283,024.76x = 60,137,990,976.18
  5. Step 5: Solve for x
    x = 60,137,990,976.18/283,024.76
  6. Step 6: Final answer
    x = 212,483.15

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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.