Home / 260,455.19-390,416.37-176,224.25

Finding the Fourth Proportional to 260,455.19, 390,416.37 and 176,224.25

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Solution

The fourth proportional to 260,455.19, 390,416.37 and 176,224.25 is: 264,156.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,455.19 : 390,416.37 = 176,224.25 : x
  2. Step 2: Convert to fraction form
    260,455.19/390,416.37 = 176,224.25/x
  3. Step 3: Cross multiply
    260,455.19x = 390,416.37 × 176,224.25
  4. Step 4: Simplify right side
    260,455.19x = 68,800,831,990.97
  5. Step 5: Solve for x
    x = 68,800,831,990.97/260,455.19
  6. Step 6: Final answer
    x = 264,156.12

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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.