Finding the Fourth Proportional to 161,405.08, 242,108.79 and 56,223.70
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Solution
The fourth proportional to 161,405.08, 242,108.79 and 56,223.70 is: 84,335.96
Step by Step Solution
- Step 1: Write the proportion equation
161,405.08 : 242,108.79 = 56,223.70 : x - Step 2: Convert to fraction form
161,405.08/242,108.79 = 56,223.70/x - Step 3: Cross multiply
161,405.08x = 242,108.79 × 56,223.70 - Step 4: Simplify right side
161,405.08x = 13,612,251,976.32 - Step 5: Solve for x
x = 13,612,251,976.32/161,405.08 - Step 6: Final answer
x = 84,335.96
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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.