Finding the Fourth Proportional to 112,434.49, 168,260.50 and 69,719.95
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Solution
The fourth proportional to 112,434.49, 168,260.50 and 69,719.95 is: 104,337.32
Step by Step Solution
- Step 1: Write the proportion equation
112,434.49 : 168,260.50 = 69,719.95 : x - Step 2: Convert to fraction form
112,434.49/168,260.50 = 69,719.95/x - Step 3: Cross multiply
112,434.49x = 168,260.50 × 69,719.95 - Step 4: Simplify right side
112,434.49x = 11,731,113,646.98 - Step 5: Solve for x
x = 11,731,113,646.98/112,434.49 - Step 6: Final answer
x = 104,337.32
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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.