Finding the Fourth Proportional to 165,417.50, 228,328.18 and 93,845.09
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Solution
The fourth proportional to 165,417.50, 228,328.18 and 93,845.09 is: 129,535.74
Step by Step Solution
- Step 1: Write the proportion equation
165,417.50 : 228,328.18 = 93,845.09 : x - Step 2: Convert to fraction form
165,417.50/228,328.18 = 93,845.09/x - Step 3: Cross multiply
165,417.50x = 228,328.18 × 93,845.09 - Step 4: Simplify right side
165,417.50x = 21,427,477,225.38 - Step 5: Solve for x
x = 21,427,477,225.38/165,417.50 - Step 6: Final answer
x = 129,535.74
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1.5x scale
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.