Finding the Fourth Proportional to 415,163.36, 572,980.28 and 233,911.08
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Solution
The fourth proportional to 415,163.36, 572,980.28 and 233,911.08 is: 322,828.19
Step by Step Solution
- Step 1: Write the proportion equation
415,163.36 : 572,980.28 = 233,911.08 : x - Step 2: Convert to fraction form
415,163.36/572,980.28 = 233,911.08/x - Step 3: Cross multiply
415,163.36x = 572,980.28 × 233,911.08 - Step 4: Simplify right side
415,163.36x = 134,026,434,943.95 - Step 5: Solve for x
x = 134,026,434,943.95/415,163.36 - Step 6: Final answer
x = 322,828.19
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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.