Home / 212,461.81-293,218.48-158,653.41

Finding the Fourth Proportional to 212,461.81, 293,218.48 and 158,653.41

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Solution

The fourth proportional to 212,461.81, 293,218.48 and 158,653.41 is: 218,957.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,461.81 : 293,218.48 = 158,653.41 : x
  2. Step 2: Convert to fraction form
    212,461.81/293,218.48 = 158,653.41/x
  3. Step 3: Cross multiply
    212,461.81x = 293,218.48 × 158,653.41
  4. Step 4: Simplify right side
    212,461.81x = 46,520,111,727.02
  5. Step 5: Solve for x
    x = 46,520,111,727.02/212,461.81
  6. Step 6: Final answer
    x = 218,957.52

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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.