Finding the Fourth Proportional to 438,108.68, 604,564.82 and 247,110.68
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Solution
The fourth proportional to 438,108.68, 604,564.82 and 247,110.68 is: 340,998.55
Step by Step Solution
- Step 1: Write the proportion equation
438,108.68 : 604,564.82 = 247,110.68 : x - Step 2: Convert to fraction form
438,108.68/604,564.82 = 247,110.68/x - Step 3: Cross multiply
438,108.68x = 604,564.82 × 247,110.68 - Step 4: Simplify right side
438,108.68x = 149,394,423,774.28 - Step 5: Solve for x
x = 149,394,423,774.28/438,108.68 - Step 6: Final answer
x = 340,998.55
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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.