Home / 390,095.40-583,976.70-232,242.60

Finding the Fourth Proportional to 390,095.40, 583,976.70 and 232,242.60

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Solution

The fourth proportional to 390,095.40, 583,976.70 and 232,242.60 is: 347,669.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,095.40 : 583,976.70 = 232,242.60 : x
  2. Step 2: Convert to fraction form
    390,095.40/583,976.70 = 232,242.60/x
  3. Step 3: Cross multiply
    390,095.40x = 583,976.70 × 232,242.60
  4. Step 4: Simplify right side
    390,095.40x = 135,624,267,147.42
  5. Step 5: Solve for x
    x = 135,624,267,147.42/390,095.40
  6. Step 6: Final answer
    x = 347,669.49

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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.