Finding the Fourth Proportional to 307,799.83, 424,722.57 and 171,813.99
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Solution
The fourth proportional to 307,799.83, 424,722.57 and 171,813.99 is: 237,080.31
Step by Step Solution
- Step 1: Write the proportion equation
307,799.83 : 424,722.57 = 171,813.99 : x - Step 2: Convert to fraction form
307,799.83/424,722.57 = 171,813.99/x - Step 3: Cross multiply
307,799.83x = 424,722.57 × 171,813.99 - Step 4: Simplify right side
307,799.83x = 72,973,279,394.75 - Step 5: Solve for x
x = 72,973,279,394.75/307,799.83 - Step 6: Final answer
x = 237,080.31
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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.