Finding the Fourth Proportional to 149,192.84, 205,864.42 and 84,652.04
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Solution
The fourth proportional to 149,192.84, 205,864.42 and 84,652.04 is: 116,807.50
Step by Step Solution
- Step 1: Write the proportion equation
149,192.84 : 205,864.42 = 84,652.04 : x - Step 2: Convert to fraction form
149,192.84/205,864.42 = 84,652.04/x - Step 3: Cross multiply
149,192.84x = 205,864.42 × 84,652.04 - Step 4: Simplify right side
149,192.84x = 17,426,843,116.42 - Step 5: Solve for x
x = 17,426,843,116.42/149,192.84 - Step 6: Final answer
x = 116,807.50
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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.