Finding the Fourth Proportional to 311,304.83, 464,377.75 and 302,127.63
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Solution
The fourth proportional to 311,304.83, 464,377.75 and 302,127.63 is: 450,687.99
Step by Step Solution
- Step 1: Write the proportion equation
311,304.83 : 464,377.75 = 302,127.63 : x - Step 2: Convert to fraction form
311,304.83/464,377.75 = 302,127.63/x - Step 3: Cross multiply
311,304.83x = 464,377.75 × 302,127.63 - Step 4: Simplify right side
311,304.83x = 140,301,349,032.23 - Step 5: Solve for x
x = 140,301,349,032.23/311,304.83 - Step 6: Final answer
x = 450,687.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.