Finding the Fourth Proportional to 248,718.84, 343,232.01 and 135,541.50
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Solution
The fourth proportional to 248,718.84, 343,232.01 and 135,541.50 is: 187,047.28
Step by Step Solution
- Step 1: Write the proportion equation
248,718.84 : 343,232.01 = 135,541.50 : x - Step 2: Convert to fraction form
248,718.84/343,232.01 = 135,541.50/x - Step 3: Cross multiply
248,718.84x = 343,232.01 × 135,541.50 - Step 4: Simplify right side
248,718.84x = 46,522,181,483.42 - Step 5: Solve for x
x = 46,522,181,483.42/248,718.84 - Step 6: Final answer
x = 187,047.28
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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.