Home / 260,316.05-390,333.74-140,437.26

Finding the Fourth Proportional to 260,316.05, 390,333.74 and 140,437.26

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Solution

The fourth proportional to 260,316.05, 390,333.74 and 140,437.26 is: 210,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,316.05 : 390,333.74 = 140,437.26 : x
  2. Step 2: Convert to fraction form
    260,316.05/390,333.74 = 140,437.26/x
  3. Step 3: Cross multiply
    260,316.05x = 390,333.74 × 140,437.26
  4. Step 4: Simplify right side
    260,316.05x = 54,817,400,228.97
  5. Step 5: Solve for x
    x = 54,817,400,228.97/260,316.05
  6. Step 6: Final answer
    x = 210,580.18

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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.