Home / 248,721.36-342,887.93-210,326.88

Finding the Fourth Proportional to 248,721.36, 342,887.93 and 210,326.88

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Solution

The fourth proportional to 248,721.36, 342,887.93 and 210,326.88 is: 289,957.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,721.36 : 342,887.93 = 210,326.88 : x
  2. Step 2: Convert to fraction form
    248,721.36/342,887.93 = 210,326.88/x
  3. Step 3: Cross multiply
    248,721.36x = 342,887.93 × 210,326.88
  4. Step 4: Simplify right side
    248,721.36x = 72,118,547,454.92
  5. Step 5: Solve for x
    x = 72,118,547,454.92/248,721.36
  6. Step 6: Final answer
    x = 289,957.19

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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.