Finding the Fourth Proportional to 492,663.84, 679,876.29 and 266,309.34
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Solution
The fourth proportional to 492,663.84, 679,876.29 and 266,309.34 is: 367,506.99
Step by Step Solution
- Step 1: Write the proportion equation
492,663.84 : 679,876.29 = 266,309.34 : x - Step 2: Convert to fraction form
492,663.84/679,876.29 = 266,309.34/x - Step 3: Cross multiply
492,663.84x = 679,876.29 × 266,309.34 - Step 4: Simplify right side
492,663.84x = 181,057,406,071.55 - Step 5: Solve for x
x = 181,057,406,071.55/492,663.84 - Step 6: Final answer
x = 367,506.99
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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.