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Finding the Fourth Proportional to 515,006.10, 772,290.45 and 248,848.20

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Solution

The fourth proportional to 515,006.10, 772,290.45 and 248,848.20 is: 373,166.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,006.10 : 772,290.45 = 248,848.20 : x
  2. Step 2: Convert to fraction form
    515,006.10/772,290.45 = 248,848.20/x
  3. Step 3: Cross multiply
    515,006.10x = 772,290.45 × 248,848.20
  4. Step 4: Simplify right side
    515,006.10x = 192,183,088,359.69
  5. Step 5: Solve for x
    x = 192,183,088,359.69/515,006.10
  6. Step 6: Final answer
    x = 373,166.63

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1.5x scale

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.