Finding the Fourth Proportional to 98,864.19, 136,438.56 and 60,628.14
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Solution
The fourth proportional to 98,864.19, 136,438.56 and 60,628.14 is: 83,670.50
Step by Step Solution
- Step 1: Write the proportion equation
98,864.19 : 136,438.56 = 60,628.14 : x - Step 2: Convert to fraction form
98,864.19/136,438.56 = 60,628.14/x - Step 3: Cross multiply
98,864.19x = 136,438.56 × 60,628.14 - Step 4: Simplify right side
98,864.19x = 8,272,016,117.08 - Step 5: Solve for x
x = 8,272,016,117.08/98,864.19 - Step 6: Final answer
x = 83,670.50
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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.