Finding the Fourth Proportional to 498,918.48, 748,910.55 and 214,749.78
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Solution
The fourth proportional to 498,918.48, 748,910.55 and 214,749.78 is: 322,354.02
Step by Step Solution
- Step 1: Write the proportion equation
498,918.48 : 748,910.55 = 214,749.78 : x - Step 2: Convert to fraction form
498,918.48/748,910.55 = 214,749.78/x - Step 3: Cross multiply
498,918.48x = 748,910.55 × 214,749.78 - Step 4: Simplify right side
498,918.48x = 160,828,376,853.73 - Step 5: Solve for x
x = 160,828,376,853.73/498,918.48 - Step 6: Final answer
x = 322,354.02
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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.