Finding the Fourth Proportional to 165,677.68, 228,641.16 and 97,663.60
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Solution
The fourth proportional to 165,677.68, 228,641.16 and 97,663.60 is: 134,779.28
Step by Step Solution
- Step 1: Write the proportion equation
165,677.68 : 228,641.16 = 97,663.60 : x - Step 2: Convert to fraction form
165,677.68/228,641.16 = 97,663.60/x - Step 3: Cross multiply
165,677.68x = 228,641.16 × 97,663.60 - Step 4: Simplify right side
165,677.68x = 22,329,918,793.78 - Step 5: Solve for x
x = 22,329,918,793.78/165,677.68 - Step 6: Final answer
x = 134,779.28
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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.