Home / 211,283.40-316,858.16-69,095.82

Finding the Fourth Proportional to 211,283.40, 316,858.16 and 69,095.82

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Solution

The fourth proportional to 211,283.40, 316,858.16 and 69,095.82 is: 103,621.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,283.40 : 316,858.16 = 69,095.82 : x
  2. Step 2: Convert to fraction form
    211,283.40/316,858.16 = 69,095.82/x
  3. Step 3: Cross multiply
    211,283.40x = 316,858.16 × 69,095.82
  4. Step 4: Simplify right side
    211,283.40x = 21,893,574,388.89
  5. Step 5: Solve for x
    x = 21,893,574,388.89/211,283.40
  6. Step 6: Final answer
    x = 103,621.84

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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.