Home / 202,885.40-304,328.10-199,386.20

Finding the Fourth Proportional to 202,885.40, 304,328.10 and 199,386.20

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Solution

The fourth proportional to 202,885.40, 304,328.10 and 199,386.20 is: 299,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,885.40 : 304,328.10 = 199,386.20 : x
  2. Step 2: Convert to fraction form
    202,885.40/304,328.10 = 199,386.20/x
  3. Step 3: Cross multiply
    202,885.40x = 304,328.10 × 199,386.20
  4. Step 4: Simplify right side
    202,885.40x = 60,678,823,412.22
  5. Step 5: Solve for x
    x = 60,678,823,412.22/202,885.40
  6. Step 6: Final answer
    x = 299,079.30

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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.