Finding the Fourth Proportional to 266,773.84, 368,156.64 and 145,915.12
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Solution
The fourth proportional to 266,773.84, 368,156.64 and 145,915.12 is: 201,367.65
Step by Step Solution
- Step 1: Write the proportion equation
266,773.84 : 368,156.64 = 145,915.12 : x - Step 2: Convert to fraction form
266,773.84/368,156.64 = 145,915.12/x - Step 3: Cross multiply
266,773.84x = 368,156.64 × 145,915.12 - Step 4: Simplify right side
266,773.84x = 53,719,619,931.19 - Step 5: Solve for x
x = 53,719,619,931.19/266,773.84 - Step 6: Final answer
x = 201,367.65
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1.5x scale
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.