Finding the Fourth Proportional to 502,110.40, 753,165.18 and 128,133.40
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Solution
The fourth proportional to 502,110.40, 753,165.18 and 128,133.40 is: 192,199.99
Step by Step Solution
- Step 1: Write the proportion equation
502,110.40 : 753,165.18 = 128,133.40 : x - Step 2: Convert to fraction form
502,110.40/753,165.18 = 128,133.40/x - Step 3: Cross multiply
502,110.40x = 753,165.18 × 128,133.40 - Step 4: Simplify right side
502,110.40x = 96,505,615,275.01 - Step 5: Solve for x
x = 96,505,615,275.01/502,110.40 - Step 6: Final answer
x = 192,199.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.