Finding the Fourth Proportional to 418,460.36, 577,432.14 and 248,661.68
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Solution
The fourth proportional to 418,460.36, 577,432.14 and 248,661.68 is: 343,127.47
Step by Step Solution
- Step 1: Write the proportion equation
418,460.36 : 577,432.14 = 248,661.68 : x - Step 2: Convert to fraction form
418,460.36/577,432.14 = 248,661.68/x - Step 3: Cross multiply
418,460.36x = 577,432.14 × 248,661.68 - Step 4: Simplify right side
418,460.36x = 143,585,246,018.40 - Step 5: Solve for x
x = 143,585,246,018.40/418,460.36 - Step 6: Final answer
x = 343,127.47
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1.5x scale
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.