Home / 209,442.02-314,043.96-142,962.62

Finding the Fourth Proportional to 209,442.02, 314,043.96 and 142,962.62

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Solution

The fourth proportional to 209,442.02, 314,043.96 and 142,962.62 is: 214,362.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,442.02 : 314,043.96 = 142,962.62 : x
  2. Step 2: Convert to fraction form
    209,442.02/314,043.96 = 142,962.62/x
  3. Step 3: Cross multiply
    209,442.02x = 314,043.96 × 142,962.62
  4. Step 4: Simplify right side
    209,442.02x = 44,896,547,316.78
  5. Step 5: Solve for x
    x = 44,896,547,316.78/209,442.02
  6. Step 6: Final answer
    x = 214,362.65

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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.