Finding the Fourth Proportional to 193,102.95, 266,482.40 and 108,220.02
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Solution
The fourth proportional to 193,102.95, 266,482.40 and 108,220.02 is: 149,343.81
Step by Step Solution
- Step 1: Write the proportion equation
193,102.95 : 266,482.40 = 108,220.02 : x - Step 2: Convert to fraction form
193,102.95/266,482.40 = 108,220.02/x - Step 3: Cross multiply
193,102.95x = 266,482.40 × 108,220.02 - Step 4: Simplify right side
193,102.95x = 28,838,730,657.65 - Step 5: Solve for x
x = 28,838,730,657.65/193,102.95 - Step 6: Final answer
x = 149,343.81
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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.