Finding the Fourth Proportional to 517,715.48, 714,276.12 and 302,703.31
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Solution
The fourth proportional to 517,715.48, 714,276.12 and 302,703.31 is: 417,630.45
Step by Step Solution
- Step 1: Write the proportion equation
517,715.48 : 714,276.12 = 302,703.31 : x - Step 2: Convert to fraction form
517,715.48/714,276.12 = 302,703.31/x - Step 3: Cross multiply
517,715.48x = 714,276.12 × 302,703.31 - Step 4: Simplify right side
517,715.48x = 216,213,747,805.94 - Step 5: Solve for x
x = 216,213,747,805.94/517,715.48 - Step 6: Final answer
x = 417,630.45
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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.