Finding the Fourth Proportional to 97,826.80, 146,720.96 and 31,248.99
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Solution
The fourth proportional to 97,826.80, 146,720.96 and 31,248.99 is: 46,867.34
Step by Step Solution
- Step 1: Write the proportion equation
97,826.80 : 146,720.96 = 31,248.99 : x - Step 2: Convert to fraction form
97,826.80/146,720.96 = 31,248.99/x - Step 3: Cross multiply
97,826.80x = 146,720.96 × 31,248.99 - Step 4: Simplify right side
97,826.80x = 4,584,881,811.83 - Step 5: Solve for x
x = 4,584,881,811.83/97,826.80 - Step 6: Final answer
x = 46,867.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.