Home / 282,464.01-389,809.67-155,151.45

Finding the Fourth Proportional to 282,464.01, 389,809.67 and 155,151.45

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Solution

The fourth proportional to 282,464.01, 389,809.67 and 155,151.45 is: 214,114.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,464.01 : 389,809.67 = 155,151.45 : x
  2. Step 2: Convert to fraction form
    282,464.01/389,809.67 = 155,151.45/x
  3. Step 3: Cross multiply
    282,464.01x = 389,809.67 × 155,151.45
  4. Step 4: Simplify right side
    282,464.01x = 60,479,534,748.76
  5. Step 5: Solve for x
    x = 60,479,534,748.76/282,464.01
  6. Step 6: Final answer
    x = 214,114.13

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1.5x scale

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.