Finding the Fourth Proportional to 311,567.98, 429,963.83 and 168,328.02
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Solution
The fourth proportional to 311,567.98, 429,963.83 and 168,328.02 is: 232,292.68
Step by Step Solution
- Step 1: Write the proportion equation
311,567.98 : 429,963.83 = 168,328.02 : x - Step 2: Convert to fraction form
311,567.98/429,963.83 = 168,328.02/x - Step 3: Cross multiply
311,567.98x = 429,963.83 × 168,328.02 - Step 4: Simplify right side
311,567.98x = 72,374,960,175.52 - Step 5: Solve for x
x = 72,374,960,175.52/311,567.98 - Step 6: Final answer
x = 232,292.68
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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.