Finding the Fourth Proportional to 288,878.94, 433,372.68 and 131,118.48
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Solution
The fourth proportional to 288,878.94, 433,372.68 and 131,118.48 is: 196,702.35
Step by Step Solution
- Step 1: Write the proportion equation
288,878.94 : 433,372.68 = 131,118.48 : x - Step 2: Convert to fraction form
288,878.94/433,372.68 = 131,118.48/x - Step 3: Cross multiply
288,878.94x = 433,372.68 × 131,118.48 - Step 4: Simplify right side
288,878.94x = 56,823,167,075.13 - Step 5: Solve for x
x = 56,823,167,075.13/288,878.94 - Step 6: Final answer
x = 196,702.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.