Finding the Fourth Proportional to 472,724.07, 652,363.38 and 257,865.09
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Solution
The fourth proportional to 472,724.07, 652,363.38 and 257,865.09 is: 355,856.10
Step by Step Solution
- Step 1: Write the proportion equation
472,724.07 : 652,363.38 = 257,865.09 : x - Step 2: Convert to fraction form
472,724.07/652,363.38 = 257,865.09/x - Step 3: Cross multiply
472,724.07x = 652,363.38 × 257,865.09 - Step 4: Simplify right side
472,724.07x = 168,221,741,696.40 - Step 5: Solve for x
x = 168,221,741,696.40/472,724.07 - Step 6: Final answer
x = 355,856.10
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.