Finding the Fourth Proportional to 309,573.74, 464,329.51 and 84,956.79
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Solution
The fourth proportional to 309,573.74, 464,329.51 and 84,956.79 is: 127,426.65
Step by Step Solution
- Step 1: Write the proportion equation
309,573.74 : 464,329.51 = 84,956.79 : x - Step 2: Convert to fraction form
309,573.74/464,329.51 = 84,956.79/x - Step 3: Cross multiply
309,573.74x = 464,329.51 × 84,956.79 - Step 4: Simplify right side
309,573.74x = 39,447,944,459.48 - Step 5: Solve for x
x = 39,447,944,459.48/309,573.74 - Step 6: Final answer
x = 127,426.65
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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.