Home / 292,973.02-439,464.84-103,428.78

Finding the Fourth Proportional to 292,973.02, 439,464.84 and 103,428.78

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Solution

The fourth proportional to 292,973.02, 439,464.84 and 103,428.78 is: 155,145.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,973.02 : 439,464.84 = 103,428.78 : x
  2. Step 2: Convert to fraction form
    292,973.02/439,464.84 = 103,428.78/x
  3. Step 3: Cross multiply
    292,973.02x = 439,464.84 × 103,428.78
  4. Step 4: Simplify right side
    292,973.02x = 45,453,312,254.10
  5. Step 5: Solve for x
    x = 45,453,312,254.10/292,973.02
  6. Step 6: Final answer
    x = 155,145.04

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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.