Finding the Fourth Proportional to 477,012.78, 715,543.68 and 122,029.88
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Solution
The fourth proportional to 477,012.78, 715,543.68 and 122,029.88 is: 183,051.09
Step by Step Solution
- Step 1: Write the proportion equation
477,012.78 : 715,543.68 = 122,029.88 : x - Step 2: Convert to fraction form
477,012.78/715,543.68 = 122,029.88/x - Step 3: Cross multiply
477,012.78x = 715,543.68 × 122,029.88 - Step 4: Simplify right side
477,012.78x = 87,317,709,405.16 - Step 5: Solve for x
x = 87,317,709,405.16/477,012.78 - Step 6: Final answer
x = 183,051.09
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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.