Finding the Fourth Proportional to 165,867.18, 228,896.36 and 93,270.32
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Solution
The fourth proportional to 165,867.18, 228,896.36 and 93,270.32 is: 128,712.85
Step by Step Solution
- Step 1: Write the proportion equation
165,867.18 : 228,896.36 = 93,270.32 : x - Step 2: Convert to fraction form
165,867.18/228,896.36 = 93,270.32/x - Step 3: Cross multiply
165,867.18x = 228,896.36 × 93,270.32 - Step 4: Simplify right side
165,867.18x = 21,349,236,744.04 - Step 5: Solve for x
x = 21,349,236,744.04/165,867.18 - Step 6: Final answer
x = 128,712.85
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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.