Home / 313,318.76-432,368.34-170,075.66

Finding the Fourth Proportional to 313,318.76, 432,368.34 and 170,075.66

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Solution

The fourth proportional to 313,318.76, 432,368.34 and 170,075.66 is: 234,698.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,318.76 : 432,368.34 = 170,075.66 : x
  2. Step 2: Convert to fraction form
    313,318.76/432,368.34 = 170,075.66/x
  3. Step 3: Cross multiply
    313,318.76x = 432,368.34 × 170,075.66
  4. Step 4: Simplify right side
    313,318.76x = 73,535,330,788.60
  5. Step 5: Solve for x
    x = 73,535,330,788.60/313,318.76
  6. Step 6: Final answer
    x = 234,698.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.