Home / 349,929.80-524,894.70-139,718.60

Finding the Fourth Proportional to 349,929.80, 524,894.70 and 139,718.60

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Solution

The fourth proportional to 349,929.80, 524,894.70 and 139,718.60 is: 209,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,929.80 : 524,894.70 = 139,718.60 : x
  2. Step 2: Convert to fraction form
    349,929.80/524,894.70 = 139,718.60/x
  3. Step 3: Cross multiply
    349,929.80x = 524,894.70 × 139,718.60
  4. Step 4: Simplify right side
    349,929.80x = 73,337,552,631.42
  5. Step 5: Solve for x
    x = 73,337,552,631.42/349,929.80
  6. Step 6: Final answer
    x = 209,577.90

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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.