Home / 384,031.02-575,977.29-103,482.78

Finding the Fourth Proportional to 384,031.02, 575,977.29 and 103,482.78

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Solution

The fourth proportional to 384,031.02, 575,977.29 and 103,482.78 is: 155,205.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,031.02 : 575,977.29 = 103,482.78 : x
  2. Step 2: Convert to fraction form
    384,031.02/575,977.29 = 103,482.78/x
  3. Step 3: Cross multiply
    384,031.02x = 575,977.29 × 103,482.78
  4. Step 4: Simplify right side
    384,031.02x = 59,603,731,186.07
  5. Step 5: Solve for x
    x = 59,603,731,186.07/384,031.02
  6. Step 6: Final answer
    x = 155,205.51

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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.