Home / 211,401.36-317,068.29-61,606.61

Finding the Fourth Proportional to 211,401.36, 317,068.29 and 61,606.61

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Solution

The fourth proportional to 211,401.36, 317,068.29 and 61,606.61 is: 92,400.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,401.36 : 317,068.29 = 61,606.61 : x
  2. Step 2: Convert to fraction form
    211,401.36/317,068.29 = 61,606.61/x
  3. Step 3: Cross multiply
    211,401.36x = 317,068.29 × 61,606.61
  4. Step 4: Simplify right side
    211,401.36x = 19,533,502,177.36
  5. Step 5: Solve for x
    x = 19,533,502,177.36/211,401.36
  6. Step 6: Final answer
    x = 92,400.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.