Finding the Fourth Proportional to 199,513.18, 299,270.11 and 159,784.84
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Solution
The fourth proportional to 199,513.18, 299,270.11 and 159,784.84 is: 239,677.53
Step by Step Solution
- Step 1: Write the proportion equation
199,513.18 : 299,270.11 = 159,784.84 : x - Step 2: Convert to fraction form
199,513.18/299,270.11 = 159,784.84/x - Step 3: Cross multiply
199,513.18x = 299,270.11 × 159,784.84 - Step 4: Simplify right side
199,513.18x = 47,818,826,643.13 - Step 5: Solve for x
x = 47,818,826,643.13/199,513.18 - Step 6: Final answer
x = 239,677.53
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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.