Finding the Fourth Proportional to 421,824.59, 632,829.84 and 122,317.68
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Solution
The fourth proportional to 421,824.59, 632,829.84 and 122,317.68 is: 183,503.47
Step by Step Solution
- Step 1: Write the proportion equation
421,824.59 : 632,829.84 = 122,317.68 : x - Step 2: Convert to fraction form
421,824.59/632,829.84 = 122,317.68/x - Step 3: Cross multiply
421,824.59x = 632,829.84 × 122,317.68 - Step 4: Simplify right side
421,824.59x = 77,406,277,863.57 - Step 5: Solve for x
x = 77,406,277,863.57/421,824.59 - Step 6: Final answer
x = 183,503.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.