Finding the Fourth Proportional to 213,177.60, 319,455.36 and 119,710.08
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Solution
The fourth proportional to 213,177.60, 319,455.36 and 119,710.08 is: 179,390.46
Step by Step Solution
- Step 1: Write the proportion equation
213,177.60 : 319,455.36 = 119,710.08 : x - Step 2: Convert to fraction form
213,177.60/319,455.36 = 119,710.08/x - Step 3: Cross multiply
213,177.60x = 319,455.36 × 119,710.08 - Step 4: Simplify right side
213,177.60x = 38,242,026,702.03 - Step 5: Solve for x
x = 38,242,026,702.03/213,177.60 - Step 6: Final answer
x = 179,390.46
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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.