Finding the Fourth Proportional to 159,412.80, 239,007.36 and 70,618.08
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Solution
The fourth proportional to 159,412.80, 239,007.36 and 70,618.08 is: 105,877.58
Step by Step Solution
- Step 1: Write the proportion equation
159,412.80 : 239,007.36 = 70,618.08 : x - Step 2: Convert to fraction form
159,412.80/239,007.36 = 70,618.08/x - Step 3: Cross multiply
159,412.80x = 239,007.36 × 70,618.08 - Step 4: Simplify right side
159,412.80x = 16,878,240,869.07 - Step 5: Solve for x
x = 16,878,240,869.07/159,412.80 - Step 6: Final answer
x = 105,877.58
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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.