Home / 372,659.31-514,316.34-211,566.51

Finding the Fourth Proportional to 372,659.31, 514,316.34 and 211,566.51

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Solution

The fourth proportional to 372,659.31, 514,316.34 and 211,566.51 is: 291,988.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,659.31 : 514,316.34 = 211,566.51 : x
  2. Step 2: Convert to fraction form
    372,659.31/514,316.34 = 211,566.51/x
  3. Step 3: Cross multiply
    372,659.31x = 514,316.34 × 211,566.51
  4. Step 4: Simplify right side
    372,659.31x = 108,812,113,089.77
  5. Step 5: Solve for x
    x = 108,812,113,089.77/372,659.31
  6. Step 6: Final answer
    x = 291,988.18

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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.