Home / 283,001.34-390,547.90-155,676.94

Finding the Fourth Proportional to 283,001.34, 390,547.90 and 155,676.94

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Solution

The fourth proportional to 283,001.34, 390,547.90 and 155,676.94 is: 214,837.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,001.34 : 390,547.90 = 155,676.94 : x
  2. Step 2: Convert to fraction form
    283,001.34/390,547.90 = 155,676.94/x
  3. Step 3: Cross multiply
    283,001.34x = 390,547.90 × 155,676.94
  4. Step 4: Simplify right side
    283,001.34x = 60,799,301,995.43
  5. Step 5: Solve for x
    x = 60,799,301,995.43/283,001.34
  6. Step 6: Final answer
    x = 214,837.51

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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.