Finding the Fourth Proportional to 178,652.34, 246,552.19 and 118,118.90
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Solution
The fourth proportional to 178,652.34, 246,552.19 and 118,118.90 is: 163,011.99
Step by Step Solution
- Step 1: Write the proportion equation
178,652.34 : 246,552.19 = 118,118.90 : x - Step 2: Convert to fraction form
178,652.34/246,552.19 = 118,118.90/x - Step 3: Cross multiply
178,652.34x = 246,552.19 × 118,118.90 - Step 4: Simplify right side
178,652.34x = 29,122,473,796.47 - Step 5: Solve for x
x = 29,122,473,796.47/178,652.34 - Step 6: Final answer
x = 163,011.99
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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.