Finding the Fourth Proportional to 384,534.84, 576,868.68 and 171,378.48
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Solution
The fourth proportional to 384,534.84, 576,868.68 and 171,378.48 is: 257,097.32
Step by Step Solution
- Step 1: Write the proportion equation
384,534.84 : 576,868.68 = 171,378.48 : x - Step 2: Convert to fraction form
384,534.84/576,868.68 = 171,378.48/x - Step 3: Cross multiply
384,534.84x = 576,868.68 × 171,378.48 - Step 4: Simplify right side
384,534.84x = 98,862,877,538.01 - Step 5: Solve for x
x = 98,862,877,538.01/384,534.84 - Step 6: Final answer
x = 257,097.32
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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.