Finding the Fourth Proportional to 168,768.88, 253,102.26 and 56,420.26
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Solution
The fourth proportional to 168,768.88, 253,102.26 and 56,420.26 is: 84,613.32
Step by Step Solution
- Step 1: Write the proportion equation
168,768.88 : 253,102.26 = 56,420.26 : x - Step 2: Convert to fraction form
168,768.88/253,102.26 = 56,420.26/x - Step 3: Cross multiply
168,768.88x = 253,102.26 × 56,420.26 - Step 4: Simplify right side
168,768.88x = 14,280,095,315.79 - Step 5: Solve for x
x = 14,280,095,315.79/168,768.88 - Step 6: Final answer
x = 84,613.32
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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.