Finding the Fourth Proportional to 245,167.99, 368,305.59 and 145,393.63
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Solution
The fourth proportional to 245,167.99, 368,305.59 and 145,393.63 is: 218,418.75
Step by Step Solution
- Step 1: Write the proportion equation
245,167.99 : 368,305.59 = 145,393.63 : x - Step 2: Convert to fraction form
245,167.99/368,305.59 = 145,393.63/x - Step 3: Cross multiply
245,167.99x = 368,305.59 × 145,393.63 - Step 4: Simplify right side
245,167.99x = 53,549,286,679.39 - Step 5: Solve for x
x = 53,549,286,679.39/245,167.99 - Step 6: Final answer
x = 218,418.75
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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.