Finding the Fourth Proportional to 398,365.78, 597,641.91 and 158,493.26
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Solution
The fourth proportional to 398,365.78, 597,641.91 and 158,493.26 is: 237,776.99
Step by Step Solution
- Step 1: Write the proportion equation
398,365.78 : 597,641.91 = 158,493.26 : x - Step 2: Convert to fraction form
398,365.78/597,641.91 = 158,493.26/x - Step 3: Cross multiply
398,365.78x = 597,641.91 × 158,493.26 - Step 4: Simplify right side
398,365.78x = 94,722,214,628.53 - Step 5: Solve for x
x = 94,722,214,628.53/398,365.78 - Step 6: Final answer
x = 237,776.99
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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.