Home / 345,564.02-519,927.15-205,427.54

Finding the Fourth Proportional to 345,564.02, 519,927.15 and 205,427.54

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Solution

The fourth proportional to 345,564.02, 519,927.15 and 205,427.54 is: 309,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,564.02 : 519,927.15 = 205,427.54 : x
  2. Step 2: Convert to fraction form
    345,564.02/519,927.15 = 205,427.54/x
  3. Step 3: Cross multiply
    345,564.02x = 519,927.15 × 205,427.54
  4. Step 4: Simplify right side
    345,564.02x = 106,807,355,403.71
  5. Step 5: Solve for x
    x = 106,807,355,403.71/345,564.02
  6. Step 6: Final answer
    x = 309,081.24

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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.