Home / 390,528.26-586,025.18-174,370.19

Finding the Fourth Proportional to 390,528.26, 586,025.18 and 174,370.19

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Solution

The fourth proportional to 390,528.26, 586,025.18 and 174,370.19 is: 261,659.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,528.26 : 586,025.18 = 174,370.19 : x
  2. Step 2: Convert to fraction form
    390,528.26/586,025.18 = 174,370.19/x
  3. Step 3: Cross multiply
    390,528.26x = 586,025.18 × 174,370.19
  4. Step 4: Simplify right side
    390,528.26x = 102,185,323,777.88
  5. Step 5: Solve for x
    x = 102,185,323,777.88/390,528.26
  6. Step 6: Final answer
    x = 261,659.23

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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.