Finding the Fourth Proportional to 364,742.49, 545,992.63 and 310,934.07
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Solution
The fourth proportional to 364,742.49, 545,992.63 and 310,934.07 is: 465,445.39
Step by Step Solution
- Step 1: Write the proportion equation
364,742.49 : 545,992.63 = 310,934.07 : x - Step 2: Convert to fraction form
364,742.49/545,992.63 = 310,934.07/x - Step 3: Cross multiply
364,742.49x = 545,992.63 × 310,934.07 - Step 4: Simplify right side
364,742.49x = 169,767,710,635.90 - Step 5: Solve for x
x = 169,767,710,635.90/364,742.49 - Step 6: Final answer
x = 465,445.39
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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.