Finding the Fourth Proportional to 353,681.28, 530,504.64 and 132,048
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Solution
The fourth proportional to 353,681.28, 530,504.64 and 132,048 is: 198,065.55
Step by Step Solution
- Step 1: Write the proportion equation
353,681.28 : 530,504.64 = 132,048 : x - Step 2: Convert to fraction form
353,681.28/530,504.64 = 132,048/x - Step 3: Cross multiply
353,681.28x = 530,504.64 × 132,048 - Step 4: Simplify right side
353,681.28x = 70,052,076,702.72 - Step 5: Solve for x
x = 70,052,076,702.72/353,681.28 - Step 6: Final answer
x = 198,065.55
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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.