Finding the Fourth Proportional to 265,927.98, 398,888.91 and 76,392.99
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Solution
The fourth proportional to 265,927.98, 398,888.91 and 76,392.99 is: 114,588.61
Step by Step Solution
- Step 1: Write the proportion equation
265,927.98 : 398,888.91 = 76,392.99 : x - Step 2: Convert to fraction form
265,927.98/398,888.91 = 76,392.99/x - Step 3: Cross multiply
265,927.98x = 398,888.91 × 76,392.99 - Step 4: Simplify right side
265,927.98x = 30,472,316,512.74 - Step 5: Solve for x
x = 30,472,316,512.74/265,927.98 - Step 6: Final answer
x = 114,588.61
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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.