Finding the Fourth Proportional to 432,897.96, 649,478.34 and 208,194.63
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Solution
The fourth proportional to 432,897.96, 649,478.34 and 208,194.63 is: 312,355.14
Step by Step Solution
- Step 1: Write the proportion equation
432,897.96 : 649,478.34 = 208,194.63 : x - Step 2: Convert to fraction form
432,897.96/649,478.34 = 208,194.63/x - Step 3: Cross multiply
432,897.96x = 649,478.34 × 208,194.63 - Step 4: Simplify right side
432,897.96x = 135,217,902,689.31 - Step 5: Solve for x
x = 135,217,902,689.31/432,897.96 - Step 6: Final answer
x = 312,355.14
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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.