Home / 282,820.07-390,268.46-166,515.05

Finding the Fourth Proportional to 282,820.07, 390,268.46 and 166,515.05

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Solution

The fourth proportional to 282,820.07, 390,268.46 and 166,515.05 is: 229,777.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,820.07 : 390,268.46 = 166,515.05 : x
  2. Step 2: Convert to fraction form
    282,820.07/390,268.46 = 166,515.05/x
  3. Step 3: Cross multiply
    282,820.07x = 390,268.46 × 166,515.05
  4. Step 4: Simplify right side
    282,820.07x = 64,985,572,130.32
  5. Step 5: Solve for x
    x = 64,985,572,130.32/282,820.07
  6. Step 6: Final answer
    x = 229,777.09

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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.