Home / 260,050.20-390,075.30-176,069.40

Finding the Fourth Proportional to 260,050.20, 390,075.30 and 176,069.40

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Solution

The fourth proportional to 260,050.20, 390,075.30 and 176,069.40 is: 264,104.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,050.20 : 390,075.30 = 176,069.40 : x
  2. Step 2: Convert to fraction form
    260,050.20/390,075.30 = 176,069.40/x
  3. Step 3: Cross multiply
    260,050.20x = 390,075.30 × 176,069.40
  4. Step 4: Simplify right side
    260,050.20x = 68,680,324,025.82
  5. Step 5: Solve for x
    x = 68,680,324,025.82/260,050.20
  6. Step 6: Final answer
    x = 264,104.10

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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.