Finding the Fourth Proportional to 370,875.05, 511,807.55 and 201,109.17
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Solution
The fourth proportional to 370,875.05, 511,807.55 and 201,109.17 is: 277,530.64
Step by Step Solution
- Step 1: Write the proportion equation
370,875.05 : 511,807.55 = 201,109.17 : x - Step 2: Convert to fraction form
370,875.05/511,807.55 = 201,109.17/x - Step 3: Cross multiply
370,875.05x = 511,807.55 × 201,109.17 - Step 4: Simplify right side
370,875.05x = 102,929,191,580.23 - Step 5: Solve for x
x = 102,929,191,580.23/370,875.05 - Step 6: Final answer
x = 277,530.64
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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.