Finding the Fourth Proportional to 325,058.70, 487,588.06 and 207,252.30
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Solution
The fourth proportional to 325,058.70, 487,588.06 and 207,252.30 is: 310,878.46
Step by Step Solution
- Step 1: Write the proportion equation
325,058.70 : 487,588.06 = 207,252.30 : x - Step 2: Convert to fraction form
325,058.70/487,588.06 = 207,252.30/x - Step 3: Cross multiply
325,058.70x = 487,588.06 × 207,252.30 - Step 4: Simplify right side
325,058.70x = 101,053,746,887.54 - Step 5: Solve for x
x = 101,053,746,887.54/325,058.70 - Step 6: Final answer
x = 310,878.46
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1.5x scale
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.