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Finding the Fourth Proportional to 473,547.33, 653,540.36 and 258,719.67

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Solution

The fourth proportional to 473,547.33, 653,540.36 and 258,719.67 is: 357,057.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,547.33 : 653,540.36 = 258,719.67 : x
  2. Step 2: Convert to fraction form
    473,547.33/653,540.36 = 258,719.67/x
  3. Step 3: Cross multiply
    473,547.33x = 653,540.36 × 258,719.67
  4. Step 4: Simplify right side
    473,547.33x = 169,083,744,977.28
  5. Step 5: Solve for x
    x = 169,083,744,977.28/473,547.33
  6. Step 6: Final answer
    x = 357,057.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.