Home / 314,842.32-434,236.68-201,675.60

Finding the Fourth Proportional to 314,842.32, 434,236.68 and 201,675.60

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Solution

The fourth proportional to 314,842.32, 434,236.68 and 201,675.60 is: 278,154.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,842.32 : 434,236.68 = 201,675.60 : x
  2. Step 2: Convert to fraction form
    314,842.32/434,236.68 = 201,675.60/x
  3. Step 3: Cross multiply
    314,842.32x = 434,236.68 × 201,675.60
  4. Step 4: Simplify right side
    314,842.32x = 87,574,942,981.01
  5. Step 5: Solve for x
    x = 87,574,942,981.01/314,842.32
  6. Step 6: Final answer
    x = 278,154.93

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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.