Finding the Fourth Proportional to 477,988.68, 659,643.17 and 263,148.74
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Solution
The fourth proportional to 477,988.68, 659,643.17 and 263,148.74 is: 363,155.60
Step by Step Solution
- Step 1: Write the proportion equation
477,988.68 : 659,643.17 = 263,148.74 : x - Step 2: Convert to fraction form
477,988.68/659,643.17 = 263,148.74/x - Step 3: Cross multiply
477,988.68x = 659,643.17 × 263,148.74 - Step 4: Simplify right side
477,988.68x = 173,584,264,421.15 - Step 5: Solve for x
x = 173,584,264,421.15/477,988.68 - Step 6: Final answer
x = 363,155.60
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.