Finding the Fourth Proportional to 342,948.18, 473,392.80 and 279,175.26
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Solution
The fourth proportional to 342,948.18, 473,392.80 and 279,175.26 is: 385,363.05
Step by Step Solution
- Step 1: Write the proportion equation
342,948.18 : 473,392.80 = 279,175.26 : x - Step 2: Convert to fraction form
342,948.18/473,392.80 = 279,175.26/x - Step 3: Cross multiply
342,948.18x = 473,392.80 × 279,175.26 - Step 4: Simplify right side
342,948.18x = 132,159,558,022.13 - Step 5: Solve for x
x = 132,159,558,022.13/342,948.18 - Step 6: Final answer
x = 385,363.05
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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.