Finding the Fourth Proportional to 165,507.76, 228,400.08 and 93,901.60
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Solution
The fourth proportional to 165,507.76, 228,400.08 and 93,901.60 is: 129,583.85
Step by Step Solution
- Step 1: Write the proportion equation
165,507.76 : 228,400.08 = 93,901.60 : x - Step 2: Convert to fraction form
165,507.76/228,400.08 = 93,901.60/x - Step 3: Cross multiply
165,507.76x = 228,400.08 × 93,901.60 - Step 4: Simplify right side
165,507.76x = 21,447,132,952.13 - Step 5: Solve for x
x = 21,447,132,952.13/165,507.76 - Step 6: Final answer
x = 129,583.85
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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.