Finding the Fourth Proportional to 238,578.74, 357,384.74 and 110,312.74
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Solution
The fourth proportional to 238,578.74, 357,384.74 and 110,312.74 is: 165,245.61
Step by Step Solution
- Step 1: Write the proportion equation
238,578.74 : 357,384.74 = 110,312.74 : x - Step 2: Convert to fraction form
238,578.74/357,384.74 = 110,312.74/x - Step 3: Cross multiply
238,578.74x = 357,384.74 × 110,312.74 - Step 4: Simplify right side
238,578.74x = 39,424,089,798.75 - Step 5: Solve for x
x = 39,424,089,798.75/238,578.74 - Step 6: Final answer
x = 165,245.61
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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.