Finding the Fourth Proportional to 134,495.60, 201,721.80 and 40,979.60
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Solution
The fourth proportional to 134,495.60, 201,721.80 and 40,979.60 is: 61,462.82
Step by Step Solution
- Step 1: Write the proportion equation
134,495.60 : 201,721.80 = 40,979.60 : x - Step 2: Convert to fraction form
134,495.60/201,721.80 = 40,979.60/x - Step 3: Cross multiply
134,495.60x = 201,721.80 × 40,979.60 - Step 4: Simplify right side
134,495.60x = 8,266,478,675.28 - Step 5: Solve for x
x = 8,266,478,675.28/134,495.60 - Step 6: Final answer
x = 61,462.82
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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.