Home / 349,747.40-524,750.70-139,536.20

Finding the Fourth Proportional to 349,747.40, 524,750.70 and 139,536.20

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Solution

The fourth proportional to 349,747.40, 524,750.70 and 139,536.20 is: 209,356.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,747.40 : 524,750.70 = 139,536.20 : x
  2. Step 2: Convert to fraction form
    349,747.40/524,750.70 = 139,536.20/x
  3. Step 3: Cross multiply
    349,747.40x = 524,750.70 × 139,536.20
  4. Step 4: Simplify right side
    349,747.40x = 73,221,718,625.34
  5. Step 5: Solve for x
    x = 73,221,718,625.34/349,747.40
  6. Step 6: Final answer
    x = 209,356.01

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1.5x scale

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.