Finding the Fourth Proportional to 145,553.58, 218,330.28 and 65,497.95
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Solution
The fourth proportional to 145,553.58, 218,330.28 and 65,497.95 is: 98,246.88
Step by Step Solution
- Step 1: Write the proportion equation
145,553.58 : 218,330.28 = 65,497.95 : x - Step 2: Convert to fraction form
145,553.58/218,330.28 = 65,497.95/x - Step 3: Cross multiply
145,553.58x = 218,330.28 × 65,497.95 - Step 4: Simplify right side
145,553.58x = 14,300,185,762.93 - Step 5: Solve for x
x = 14,300,185,762.93/145,553.58 - Step 6: Final answer
x = 98,246.88
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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.