Home / 303,119.51-418,295.28-167,159.18

Finding the Fourth Proportional to 303,119.51, 418,295.28 and 167,159.18

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Solution

The fourth proportional to 303,119.51, 418,295.28 and 167,159.18 is: 230,674.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,119.51 : 418,295.28 = 167,159.18 : x
  2. Step 2: Convert to fraction form
    303,119.51/418,295.28 = 167,159.18/x
  3. Step 3: Cross multiply
    303,119.51x = 418,295.28 × 167,159.18
  4. Step 4: Simplify right side
    303,119.51x = 69,921,893,911.19
  5. Step 5: Solve for x
    x = 69,921,893,911.19/303,119.51
  6. Step 6: Final answer
    x = 230,674.35

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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.