Home / 255,541.23-382,888.11-155,398.50

Finding the Fourth Proportional to 255,541.23, 382,888.11 and 155,398.50

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Solution

The fourth proportional to 255,541.23, 382,888.11 and 155,398.50 is: 232,840.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,541.23 : 382,888.11 = 155,398.50 : x
  2. Step 2: Convert to fraction form
    255,541.23/382,888.11 = 155,398.50/x
  3. Step 3: Cross multiply
    255,541.23x = 382,888.11 × 155,398.50
  4. Step 4: Simplify right side
    255,541.23x = 59,500,237,961.84
  5. Step 5: Solve for x
    x = 59,500,237,961.84/255,541.23
  6. Step 6: Final answer
    x = 232,840.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.