Home / 390,035.40-583,886.70-232,182.60

Finding the Fourth Proportional to 390,035.40, 583,886.70 and 232,182.60

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Solution

The fourth proportional to 390,035.40, 583,886.70 and 232,182.60 is: 347,579.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,035.40 : 583,886.70 = 232,182.60 : x
  2. Step 2: Convert to fraction form
    390,035.40/583,886.70 = 232,182.60/x
  3. Step 3: Cross multiply
    390,035.40x = 583,886.70 × 232,182.60
  4. Step 4: Simplify right side
    390,035.40x = 135,568,332,111.42
  5. Step 5: Solve for x
    x = 135,568,332,111.42/390,035.40
  6. Step 6: Final answer
    x = 347,579.56

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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.