Finding the Fourth Proportional to 199,428.24, 299,054.73 and 74,681.76
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Solution
The fourth proportional to 199,428.24, 299,054.73 and 74,681.76 is: 111,989.82
Step by Step Solution
- Step 1: Write the proportion equation
199,428.24 : 299,054.73 = 74,681.76 : x - Step 2: Convert to fraction form
199,428.24/299,054.73 = 74,681.76/x - Step 3: Cross multiply
199,428.24x = 299,054.73 × 74,681.76 - Step 4: Simplify right side
199,428.24x = 22,333,933,572.72 - Step 5: Solve for x
x = 22,333,933,572.72/199,428.24 - Step 6: Final answer
x = 111,989.82
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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.