Home / 448,268.68-618,370.50-286,950.16

Finding the Fourth Proportional to 448,268.68, 618,370.50 and 286,950.16

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Solution

The fourth proportional to 448,268.68, 618,370.50 and 286,950.16 is: 395,837.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,268.68 : 618,370.50 = 286,950.16 : x
  2. Step 2: Convert to fraction form
    448,268.68/618,370.50 = 286,950.16/x
  3. Step 3: Cross multiply
    448,268.68x = 618,370.50 × 286,950.16
  4. Step 4: Simplify right side
    448,268.68x = 177,441,513,914.28
  5. Step 5: Solve for x
    x = 177,441,513,914.28/448,268.68
  6. Step 6: Final answer
    x = 395,837.41

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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.