Home / 268,070.64-369,967.01-153,359.93

Finding the Fourth Proportional to 268,070.64, 369,967.01 and 153,359.93

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Solution

The fourth proportional to 268,070.64, 369,967.01 and 153,359.93 is: 211,653.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,070.64 : 369,967.01 = 153,359.93 : x
  2. Step 2: Convert to fraction form
    268,070.64/369,967.01 = 153,359.93/x
  3. Step 3: Cross multiply
    268,070.64x = 369,967.01 × 153,359.93
  4. Step 4: Simplify right side
    268,070.64x = 56,738,112,139.27
  5. Step 5: Solve for x
    x = 56,738,112,139.27/268,070.64
  6. Step 6: Final answer
    x = 211,653.59

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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.