Home / 352,031.90-528,048.65-247,318.34

Finding the Fourth Proportional to 352,031.90, 528,048.65 and 247,318.34

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Solution

The fourth proportional to 352,031.90, 528,048.65 and 247,318.34 is: 370,978.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,031.90 : 528,048.65 = 247,318.34 : x
  2. Step 2: Convert to fraction form
    352,031.90/528,048.65 = 247,318.34/x
  3. Step 3: Cross multiply
    352,031.90x = 528,048.65 × 247,318.34
  4. Step 4: Simplify right side
    352,031.90x = 130,596,113,535.29
  5. Step 5: Solve for x
    x = 130,596,113,535.29/352,031.90
  6. Step 6: Final answer
    x = 370,978.07

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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.