Finding the Fourth Proportional to 695,162.42, 1,042,910.10 and 290,129.42
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Solution
The fourth proportional to 695,162.42, 1,042,910.10 and 290,129.42 is: 435,263.61
Step by Step Solution
- Step 1: Write the proportion equation
695,162.42 : 1,042,910.10 = 290,129.42 : x - Step 2: Convert to fraction form
695,162.42/1,042,910.10 = 290,129.42/x - Step 3: Cross multiply
695,162.42x = 1,042,910.10 × 290,129.42 - Step 4: Simplify right side
695,162.42x = 302,578,902,425.14 - Step 5: Solve for x
x = 302,578,902,425.14/695,162.42 - Step 6: Final answer
x = 435,263.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.