Finding the Fourth Proportional to 213,710.08, 294,925.12 and 118,218.56
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Solution
The fourth proportional to 213,710.08, 294,925.12 and 118,218.56 is: 163,144.49
Step by Step Solution
- Step 1: Write the proportion equation
213,710.08 : 294,925.12 = 118,218.56 : x - Step 2: Convert to fraction form
213,710.08/294,925.12 = 118,218.56/x - Step 3: Cross multiply
213,710.08x = 294,925.12 × 118,218.56 - Step 4: Simplify right side
213,710.08x = 34,865,622,994.23 - Step 5: Solve for x
x = 34,865,622,994.23/213,710.08 - Step 6: Final answer
x = 163,144.49
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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.