Home / 260,144.02-390,254.10-110,384.20

Finding the Fourth Proportional to 260,144.02, 390,254.10 and 110,384.20

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Solution

The fourth proportional to 260,144.02, 390,254.10 and 110,384.20 is: 165,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,144.02 : 390,254.10 = 110,384.20 : x
  2. Step 2: Convert to fraction form
    260,144.02/390,254.10 = 110,384.20/x
  3. Step 3: Cross multiply
    260,144.02x = 390,254.10 × 110,384.20
  4. Step 4: Simplify right side
    260,144.02x = 43,077,886,625.22
  5. Step 5: Solve for x
    x = 43,077,886,625.22/260,144.02
  6. Step 6: Final answer
    x = 165,592.45

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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.