Finding the Fourth Proportional to 102,368.88, 153,566.28 and 40,031.28
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Solution
The fourth proportional to 102,368.88, 153,566.28 and 40,031.28 is: 60,051.99
Step by Step Solution
- Step 1: Write the proportion equation
102,368.88 : 153,566.28 = 40,031.28 : x - Step 2: Convert to fraction form
102,368.88/153,566.28 = 40,031.28/x - Step 3: Cross multiply
102,368.88x = 153,566.28 × 40,031.28 - Step 4: Simplify right side
102,368.88x = 6,147,454,753.24 - Step 5: Solve for x
x = 6,147,454,753.24/102,368.88 - Step 6: Final answer
x = 60,051.99
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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.