Finding the Fourth Proportional to 274,032.08, 411,089.12 and 84,476.68
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Solution
The fourth proportional to 274,032.08, 411,089.12 and 84,476.68 is: 126,727.66
Step by Step Solution
- Step 1: Write the proportion equation
274,032.08 : 411,089.12 = 84,476.68 : x - Step 2: Convert to fraction form
274,032.08/411,089.12 = 84,476.68/x - Step 3: Cross multiply
274,032.08x = 411,089.12 × 84,476.68 - Step 4: Simplify right side
274,032.08x = 34,727,444,041.72 - Step 5: Solve for x
x = 34,727,444,041.72/274,032.08 - Step 6: Final answer
x = 126,727.66
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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.