Finding the Fourth Proportional to 165,893.80, 228,936.88 and 93,298.08
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Solution
The fourth proportional to 165,893.80, 228,936.88 and 93,298.08 is: 128,753.28
Step by Step Solution
- Step 1: Write the proportion equation
165,893.80 : 228,936.88 = 93,298.08 : x - Step 2: Convert to fraction form
165,893.80/228,936.88 = 93,298.08/x - Step 3: Cross multiply
165,893.80x = 228,936.88 × 93,298.08 - Step 4: Simplify right side
165,893.80x = 21,359,371,345.19 - Step 5: Solve for x
x = 21,359,371,345.19/165,893.80 - Step 6: Final answer
x = 128,753.28
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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.