Home / 286,290.21-429,302.04-106,250.25

Finding the Fourth Proportional to 286,290.21, 429,302.04 and 106,250.25

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Solution

The fourth proportional to 286,290.21, 429,302.04 and 106,250.25 is: 159,325.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,290.21 : 429,302.04 = 106,250.25 : x
  2. Step 2: Convert to fraction form
    286,290.21/429,302.04 = 106,250.25/x
  3. Step 3: Cross multiply
    286,290.21x = 429,302.04 × 106,250.25
  4. Step 4: Simplify right side
    286,290.21x = 45,613,449,075.51
  5. Step 5: Solve for x
    x = 45,613,449,075.51/286,290.21
  6. Step 6: Final answer
    x = 159,325.91

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1.5x scale

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.