Finding the Fourth Proportional to 132,971.15, 199,429.91 and 48,702.54
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Solution
The fourth proportional to 132,971.15, 199,429.91 and 48,702.54 is: 73,043.99
Step by Step Solution
- Step 1: Write the proportion equation
132,971.15 : 199,429.91 = 48,702.54 : x - Step 2: Convert to fraction form
132,971.15/199,429.91 = 48,702.54/x - Step 3: Cross multiply
132,971.15x = 199,429.91 × 48,702.54 - Step 4: Simplify right side
132,971.15x = 9,712,742,925.46 - Step 5: Solve for x
x = 9,712,742,925.46/132,971.15 - Step 6: Final answer
x = 73,043.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.