Finding the Fourth Proportional to 98,818.19, 136,368.14 and 53,495.00
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Solution
The fourth proportional to 98,818.19, 136,368.14 and 53,495.00 is: 73,822.58
Step by Step Solution
- Step 1: Write the proportion equation
98,818.19 : 136,368.14 = 53,495.00 : x - Step 2: Convert to fraction form
98,818.19/136,368.14 = 53,495.00/x - Step 3: Cross multiply
98,818.19x = 136,368.14 × 53,495.00 - Step 4: Simplify right side
98,818.19x = 7,295,013,211.36 - Step 5: Solve for x
x = 7,295,013,211.36/98,818.19 - Step 6: Final answer
x = 73,822.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.