Finding the Fourth Proportional to 136,449.84, 204,296.88 and 69,746.40
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Solution
The fourth proportional to 136,449.84, 204,296.88 and 69,746.40 is: 104,426.45
Step by Step Solution
- Step 1: Write the proportion equation
136,449.84 : 204,296.88 = 69,746.40 : x - Step 2: Convert to fraction form
136,449.84/204,296.88 = 69,746.40/x - Step 3: Cross multiply
136,449.84x = 204,296.88 × 69,746.40 - Step 4: Simplify right side
136,449.84x = 14,248,971,911.23 - Step 5: Solve for x
x = 14,248,971,911.23/136,449.84 - Step 6: Final answer
x = 104,426.45
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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.