Home / 390,228.93-585,330.03-165,444.62

Finding the Fourth Proportional to 390,228.93, 585,330.03 and 165,444.62

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Solution

The fourth proportional to 390,228.93, 585,330.03 and 165,444.62 is: 248,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,228.93 : 585,330.03 = 165,444.62 : x
  2. Step 2: Convert to fraction form
    390,228.93/585,330.03 = 165,444.62/x
  3. Step 3: Cross multiply
    390,228.93x = 585,330.03 × 165,444.62
  4. Step 4: Simplify right side
    390,228.93x = 96,839,701,461.29
  5. Step 5: Solve for x
    x = 96,839,701,461.29/390,228.93
  6. Step 6: Final answer
    x = 248,161.26

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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.