Home / 211,032.60-316,548.90-61,272.60

Finding the Fourth Proportional to 211,032.60, 316,548.90 and 61,272.60

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Solution

The fourth proportional to 211,032.60, 316,548.90 and 61,272.60 is: 91,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,032.60 : 316,548.90 = 61,272.60 : x
  2. Step 2: Convert to fraction form
    211,032.60/316,548.90 = 61,272.60/x
  3. Step 3: Cross multiply
    211,032.60x = 316,548.90 × 61,272.60
  4. Step 4: Simplify right side
    211,032.60x = 19,395,774,130.14
  5. Step 5: Solve for x
    x = 19,395,774,130.14/211,032.60
  6. Step 6: Final answer
    x = 91,908.90

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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.