Home / 349,981.21-525,048.38-113,347.81

Finding the Fourth Proportional to 349,981.21, 525,048.38 and 113,347.81

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Solution

The fourth proportional to 349,981.21, 525,048.38 and 113,347.81 is: 170,046.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,981.21 : 525,048.38 = 113,347.81 : x
  2. Step 2: Convert to fraction form
    349,981.21/525,048.38 = 113,347.81/x
  3. Step 3: Cross multiply
    349,981.21x = 525,048.38 × 113,347.81
  4. Step 4: Simplify right side
    349,981.21x = 59,513,084,531.67
  5. Step 5: Solve for x
    x = 59,513,084,531.67/349,981.21
  6. Step 6: Final answer
    x = 170,046.51

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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.