Finding the Fourth Proportional to 437,985.88, 604,421.12 and 236,781.88
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Solution
The fourth proportional to 437,985.88, 604,421.12 and 236,781.88 is: 326,759.32
Step by Step Solution
- Step 1: Write the proportion equation
437,985.88 : 604,421.12 = 236,781.88 : x - Step 2: Convert to fraction form
437,985.88/604,421.12 = 236,781.88/x - Step 3: Cross multiply
437,985.88x = 604,421.12 × 236,781.88 - Step 4: Simplify right side
437,985.88x = 143,115,969,105.31 - Step 5: Solve for x
x = 143,115,969,105.31/437,985.88 - Step 6: Final answer
x = 326,759.32
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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.