Finding the Fourth Proportional to 538,188.99, 807,263.29 and 133,382.53
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Solution
The fourth proportional to 538,188.99, 807,263.29 and 133,382.53 is: 200,068.79
Step by Step Solution
- Step 1: Write the proportion equation
538,188.99 : 807,263.29 = 133,382.53 : x - Step 2: Convert to fraction form
538,188.99/807,263.29 = 133,382.53/x - Step 3: Cross multiply
538,188.99x = 807,263.29 × 133,382.53 - Step 4: Simplify right side
538,188.99x = 107,674,819,996.32 - Step 5: Solve for x
x = 107,674,819,996.32/538,188.99 - Step 6: Final answer
x = 200,068.79
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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.