Finding the Fourth Proportional to 266,211.84, 399,316.14 and 66,531.18
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Solution
The fourth proportional to 266,211.84, 399,316.14 and 66,531.18 is: 99,796.37
Step by Step Solution
- Step 1: Write the proportion equation
266,211.84 : 399,316.14 = 66,531.18 : x - Step 2: Convert to fraction form
266,211.84/399,316.14 = 66,531.18/x - Step 3: Cross multiply
266,211.84x = 399,316.14 × 66,531.18 - Step 4: Simplify right side
266,211.84x = 26,566,973,987.25 - Step 5: Solve for x
x = 26,566,973,987.25/266,211.84 - Step 6: Final answer
x = 99,796.37
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1.5x scale
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.