Finding the Fourth Proportional to 349,864.81, 482,962.40 and 235,209.95
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Solution
The fourth proportional to 349,864.81, 482,962.40 and 235,209.95 is: 324,689.88
Step by Step Solution
- Step 1: Write the proportion equation
349,864.81 : 482,962.40 = 235,209.95 : x - Step 2: Convert to fraction form
349,864.81/482,962.40 = 235,209.95/x - Step 3: Cross multiply
349,864.81x = 482,962.40 × 235,209.95 - Step 4: Simplify right side
349,864.81x = 113,597,561,955.88 - Step 5: Solve for x
x = 113,597,561,955.88/349,864.81 - Step 6: Final answer
x = 324,689.88
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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.