Home / 243,250.01-335,500.27-209,315.36

Finding the Fourth Proportional to 243,250.01, 335,500.27 and 209,315.36

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Solution

The fourth proportional to 243,250.01, 335,500.27 and 209,315.36 is: 288,696.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,250.01 : 335,500.27 = 209,315.36 : x
  2. Step 2: Convert to fraction form
    243,250.01/335,500.27 = 209,315.36/x
  3. Step 3: Cross multiply
    243,250.01x = 335,500.27 × 209,315.36
  4. Step 4: Simplify right side
    243,250.01x = 70,225,357,071.07
  5. Step 5: Solve for x
    x = 70,225,357,071.07/243,250.01
  6. Step 6: Final answer
    x = 288,696.22

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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.