Home / 252,030.30-378,045.45-226,661.10

Finding the Fourth Proportional to 252,030.30, 378,045.45 and 226,661.10

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Solution

The fourth proportional to 252,030.30, 378,045.45 and 226,661.10 is: 339,991.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,030.30 : 378,045.45 = 226,661.10 : x
  2. Step 2: Convert to fraction form
    252,030.30/378,045.45 = 226,661.10/x
  3. Step 3: Cross multiply
    252,030.30x = 378,045.45 × 226,661.10
  4. Step 4: Simplify right side
    252,030.30x = 85,688,197,547.00
  5. Step 5: Solve for x
    x = 85,688,197,547.00/252,030.30
  6. Step 6: Final answer
    x = 339,991.65

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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.