Home / 377,638.02-521,154.23-205,547.67

Finding the Fourth Proportional to 377,638.02, 521,154.23 and 205,547.67

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Solution

The fourth proportional to 377,638.02, 521,154.23 and 205,547.67 is: 283,663.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,638.02 : 521,154.23 = 205,547.67 : x
  2. Step 2: Convert to fraction form
    377,638.02/521,154.23 = 205,547.67/x
  3. Step 3: Cross multiply
    377,638.02x = 521,154.23 × 205,547.67
  4. Step 4: Simplify right side
    377,638.02x = 107,122,037,687.14
  5. Step 5: Solve for x
    x = 107,122,037,687.14/377,638.02
  6. Step 6: Final answer
    x = 283,663.28

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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.