Finding the Fourth Proportional to 344,742.36, 516,985.56 and 120,045.12
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Solution
The fourth proportional to 344,742.36, 516,985.56 and 120,045.12 is: 180,023.12
Step by Step Solution
- Step 1: Write the proportion equation
344,742.36 : 516,985.56 = 120,045.12 : x - Step 2: Convert to fraction form
344,742.36/516,985.56 = 120,045.12/x - Step 3: Cross multiply
344,742.36x = 516,985.56 × 120,045.12 - Step 4: Simplify right side
344,742.36x = 62,061,593,588.47 - Step 5: Solve for x
x = 62,061,593,588.47/344,742.36 - Step 6: Final answer
x = 180,023.12
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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.