Home / 338,196.34-507,316.38-113,547.70

Finding the Fourth Proportional to 338,196.34, 507,316.38 and 113,547.70

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Solution

The fourth proportional to 338,196.34, 507,316.38 and 113,547.70 is: 170,328.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,196.34 : 507,316.38 = 113,547.70 : x
  2. Step 2: Convert to fraction form
    338,196.34/507,316.38 = 113,547.70/x
  3. Step 3: Cross multiply
    338,196.34x = 507,316.38 × 113,547.70
  4. Step 4: Simplify right side
    338,196.34x = 57,604,608,121.33
  5. Step 5: Solve for x
    x = 57,604,608,121.33/338,196.34
  6. Step 6: Final answer
    x = 170,328.89

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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.