Home / 307,742.69-424,755.77-180,459.29

Finding the Fourth Proportional to 307,742.69, 424,755.77 and 180,459.29

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Solution

The fourth proportional to 307,742.69, 424,755.77 and 180,459.29 is: 249,075.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,742.69 : 424,755.77 = 180,459.29 : x
  2. Step 2: Convert to fraction form
    307,742.69/424,755.77 = 180,459.29/x
  3. Step 3: Cross multiply
    307,742.69x = 424,755.77 × 180,459.29
  4. Step 4: Simplify right side
    307,742.69x = 76,651,124,837.20
  5. Step 5: Solve for x
    x = 76,651,124,837.20/307,742.69
  6. Step 6: Final answer
    x = 249,075.37

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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.