Finding the Fourth Proportional to 418,935.28, 578,133.32 and 227,950.08
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Solution
The fourth proportional to 418,935.28, 578,133.32 and 227,950.08 is: 314,572.54
Step by Step Solution
- Step 1: Write the proportion equation
418,935.28 : 578,133.32 = 227,950.08 : x - Step 2: Convert to fraction form
418,935.28/578,133.32 = 227,950.08/x - Step 3: Cross multiply
418,935.28x = 578,133.32 × 227,950.08 - Step 4: Simplify right side
418,935.28x = 131,785,536,544.67 - Step 5: Solve for x
x = 131,785,536,544.67/418,935.28 - Step 6: Final answer
x = 314,572.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.