Home / 318,346.65-439,309.20-175,106.67

Finding the Fourth Proportional to 318,346.65, 439,309.20 and 175,106.67

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Solution

The fourth proportional to 318,346.65, 439,309.20 and 175,106.67 is: 241,642.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,346.65 : 439,309.20 = 175,106.67 : x
  2. Step 2: Convert to fraction form
    318,346.65/439,309.20 = 175,106.67/x
  3. Step 3: Cross multiply
    318,346.65x = 439,309.20 × 175,106.67
  4. Step 4: Simplify right side
    318,346.65x = 76,925,971,112.36
  5. Step 5: Solve for x
    x = 76,925,971,112.36/318,346.65
  6. Step 6: Final answer
    x = 241,642.16

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1.5x scale

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.