Home / 210,401.28-290,342.52-114,889.32

Finding the Fourth Proportional to 210,401.28, 290,342.52 and 114,889.32

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Solution

The fourth proportional to 210,401.28, 290,342.52 and 114,889.32 is: 158,541.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,401.28 : 290,342.52 = 114,889.32 : x
  2. Step 2: Convert to fraction form
    210,401.28/290,342.52 = 114,889.32/x
  3. Step 3: Cross multiply
    210,401.28x = 290,342.52 × 114,889.32
  4. Step 4: Simplify right side
    210,401.28x = 33,357,254,689.89
  5. Step 5: Solve for x
    x = 33,357,254,689.89/210,401.28
  6. Step 6: Final answer
    x = 158,541.12

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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.