Home / 390,228.24-585,328.99-165,443.93

Finding the Fourth Proportional to 390,228.24, 585,328.99 and 165,443.93

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Solution

The fourth proportional to 390,228.24, 585,328.99 and 165,443.93 is: 248,160.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,228.24 : 585,328.99 = 165,443.93 : x
  2. Step 2: Convert to fraction form
    390,228.24/585,328.99 = 165,443.93/x
  3. Step 3: Cross multiply
    390,228.24x = 585,328.99 × 165,443.93
  4. Step 4: Simplify right side
    390,228.24x = 96,839,128,448.53
  5. Step 5: Solve for x
    x = 96,839,128,448.53/390,228.24
  6. Step 6: Final answer
    x = 248,160.23

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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.