Finding the Fourth Proportional to 151,909.84, 228,007.74 and 77,083.68
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Solution
The fourth proportional to 151,909.84, 228,007.74 and 77,083.68 is: 115,698.07
Step by Step Solution
- Step 1: Write the proportion equation
151,909.84 : 228,007.74 = 77,083.68 : x - Step 2: Convert to fraction form
151,909.84/228,007.74 = 77,083.68/x - Step 3: Cross multiply
151,909.84x = 228,007.74 × 77,083.68 - Step 4: Simplify right side
151,909.84x = 17,575,675,667.68 - Step 5: Solve for x
x = 17,575,675,667.68/151,909.84 - Step 6: Final answer
x = 115,698.07
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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.