Home / 358,065.36-537,112.62-147,683.25

Finding the Fourth Proportional to 358,065.36, 537,112.62 and 147,683.25

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Solution

The fourth proportional to 358,065.36, 537,112.62 and 147,683.25 is: 221,530.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,065.36 : 537,112.62 = 147,683.25 : x
  2. Step 2: Convert to fraction form
    358,065.36/537,112.62 = 147,683.25/x
  3. Step 3: Cross multiply
    358,065.36x = 537,112.62 × 147,683.25
  4. Step 4: Simplify right side
    358,065.36x = 79,322,537,337.62
  5. Step 5: Solve for x
    x = 79,322,537,337.62/358,065.36
  6. Step 6: Final answer
    x = 221,530.89

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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.