Home / 286,028.90-429,043.35-181,312.10

Finding the Fourth Proportional to 286,028.90, 429,043.35 and 181,312.10

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Solution

The fourth proportional to 286,028.90, 429,043.35 and 181,312.10 is: 271,968.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,028.90 : 429,043.35 = 181,312.10 : x
  2. Step 2: Convert to fraction form
    286,028.90/429,043.35 = 181,312.10/x
  3. Step 3: Cross multiply
    286,028.90x = 429,043.35 × 181,312.10
  4. Step 4: Simplify right side
    286,028.90x = 77,790,750,779.54
  5. Step 5: Solve for x
    x = 77,790,750,779.54/286,028.90
  6. Step 6: Final answer
    x = 271,968.15

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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.