Finding the Fourth Proportional to 343,811.10, 515,935.35 and 201,656.10
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Solution
The fourth proportional to 343,811.10, 515,935.35 and 201,656.10 is: 302,612.42
Step by Step Solution
- Step 1: Write the proportion equation
343,811.10 : 515,935.35 = 201,656.10 : x - Step 2: Convert to fraction form
343,811.10/515,935.35 = 201,656.10/x - Step 3: Cross multiply
343,811.10x = 515,935.35 × 201,656.10 - Step 4: Simplify right side
343,811.10x = 104,041,510,533.14 - Step 5: Solve for x
x = 104,041,510,533.14/343,811.10 - Step 6: Final answer
x = 302,612.42
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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.