Home / 258,837.77-357,141.02-151,386.82

Finding the Fourth Proportional to 258,837.77, 357,141.02 and 151,386.82

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Solution

The fourth proportional to 258,837.77, 357,141.02 and 151,386.82 is: 208,881.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,837.77 : 357,141.02 = 151,386.82 : x
  2. Step 2: Convert to fraction form
    258,837.77/357,141.02 = 151,386.82/x
  3. Step 3: Cross multiply
    258,837.77x = 357,141.02 × 151,386.82
  4. Step 4: Simplify right side
    258,837.77x = 54,066,441,659.57
  5. Step 5: Solve for x
    x = 54,066,441,659.57/258,837.77
  6. Step 6: Final answer
    x = 208,881.58

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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.