Home / 387,784.02-581,362.29-174,395.67

Finding the Fourth Proportional to 387,784.02, 581,362.29 and 174,395.67

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Solution

The fourth proportional to 387,784.02, 581,362.29 and 174,395.67 is: 261,452.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,784.02 : 581,362.29 = 174,395.67 : x
  2. Step 2: Convert to fraction form
    387,784.02/581,362.29 = 174,395.67/x
  3. Step 3: Cross multiply
    387,784.02x = 581,362.29 × 174,395.67
  4. Step 4: Simplify right side
    387,784.02x = 101,387,066,077.28
  5. Step 5: Solve for x
    x = 101,387,066,077.28/387,784.02
  6. Step 6: Final answer
    x = 261,452.41

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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.