Finding the Fourth Proportional to 148,770.08, 205,307.44 and 81,702.08
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Solution
The fourth proportional to 148,770.08, 205,307.44 and 81,702.08 is: 112,751.47
Step by Step Solution
- Step 1: Write the proportion equation
148,770.08 : 205,307.44 = 81,702.08 : x - Step 2: Convert to fraction form
148,770.08/205,307.44 = 81,702.08/x - Step 3: Cross multiply
148,770.08x = 205,307.44 × 81,702.08 - Step 4: Simplify right side
148,770.08x = 16,774,044,887.48 - Step 5: Solve for x
x = 16,774,044,887.48/148,770.08 - Step 6: Final answer
x = 112,751.47
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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.