Finding the Fourth Proportional to 307,675.99, 424,591.95 and 171,708.49
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Solution
The fourth proportional to 307,675.99, 424,591.95 and 171,708.49 is: 236,957.20
Step by Step Solution
- Step 1: Write the proportion equation
307,675.99 : 424,591.95 = 171,708.49 : x - Step 2: Convert to fraction form
307,675.99/424,591.95 = 171,708.49/x - Step 3: Cross multiply
307,675.99x = 424,591.95 × 171,708.49 - Step 4: Simplify right side
307,675.99x = 72,906,041,539.18 - Step 5: Solve for x
x = 72,906,041,539.18/307,675.99 - Step 6: Final answer
x = 236,957.20
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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.