Home / 209,009.68-288,435.44-113,518.24

Finding the Fourth Proportional to 209,009.68, 288,435.44 and 113,518.24

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Solution

The fourth proportional to 209,009.68, 288,435.44 and 113,518.24 is: 156,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,009.68 : 288,435.44 = 113,518.24 : x
  2. Step 2: Convert to fraction form
    209,009.68/288,435.44 = 113,518.24/x
  3. Step 3: Cross multiply
    209,009.68x = 288,435.44 × 113,518.24
  4. Step 4: Simplify right side
    209,009.68x = 32,742,683,502.43
  5. Step 5: Solve for x
    x = 32,742,683,502.43/209,009.68
  6. Step 6: Final answer
    x = 156,656.30

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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.