Finding the Fourth Proportional to 99,545.76, 149,266.80 and 29,415.60
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Solution
The fourth proportional to 99,545.76, 149,266.80 and 29,415.60 is: 44,108.08
Step by Step Solution
- Step 1: Write the proportion equation
99,545.76 : 149,266.80 = 29,415.60 : x - Step 2: Convert to fraction form
99,545.76/149,266.80 = 29,415.60/x - Step 3: Cross multiply
99,545.76x = 149,266.80 × 29,415.60 - Step 4: Simplify right side
99,545.76x = 4,390,772,482.08 - Step 5: Solve for x
x = 4,390,772,482.08/99,545.76 - Step 6: Final answer
x = 44,108.08
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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.