Finding the Fourth Proportional to 361,565.49, 542,384.18 and 133,921.98
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Solution
The fourth proportional to 361,565.49, 542,384.18 and 133,921.98 is: 200,896.28
Step by Step Solution
- Step 1: Write the proportion equation
361,565.49 : 542,384.18 = 133,921.98 : x - Step 2: Convert to fraction form
361,565.49/542,384.18 = 133,921.98/x - Step 3: Cross multiply
361,565.49x = 542,384.18 × 133,921.98 - Step 4: Simplify right side
361,565.49x = 72,637,161,104.93 - Step 5: Solve for x
x = 72,637,161,104.93/361,565.49 - Step 6: Final answer
x = 200,896.28
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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.