Finding the Fourth Proportional to 470,643.54, 705,959.19 and 115,660.68
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Solution
The fourth proportional to 470,643.54, 705,959.19 and 115,660.68 is: 173,489.52
Step by Step Solution
- Step 1: Write the proportion equation
470,643.54 : 705,959.19 = 115,660.68 : x - Step 2: Convert to fraction form
470,643.54/705,959.19 = 115,660.68/x - Step 3: Cross multiply
470,643.54x = 705,959.19 × 115,660.68 - Step 4: Simplify right side
470,643.54x = 81,651,719,967.65 - Step 5: Solve for x
x = 81,651,719,967.65/470,643.54 - Step 6: Final answer
x = 173,489.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.