Finding the Fourth Proportional to 267,705.18, 401,914.14 and 155,465.95
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Solution
The fourth proportional to 267,705.18, 401,914.14 and 155,465.95 is: 233,405.88
Step by Step Solution
- Step 1: Write the proportion equation
267,705.18 : 401,914.14 = 155,465.95 : x - Step 2: Convert to fraction form
267,705.18/401,914.14 = 155,465.95/x - Step 3: Cross multiply
267,705.18x = 401,914.14 × 155,465.95 - Step 4: Simplify right side
267,705.18x = 62,483,963,593.53 - Step 5: Solve for x
x = 62,483,963,593.53/267,705.18 - Step 6: Final answer
x = 233,405.88
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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.