Finding the Fourth Proportional to 180,479.21, 248,952.35 and 115,926.72
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Solution
The fourth proportional to 180,479.21, 248,952.35 and 115,926.72 is: 159,908.88
Step by Step Solution
- Step 1: Write the proportion equation
180,479.21 : 248,952.35 = 115,926.72 : x - Step 2: Convert to fraction form
180,479.21/248,952.35 = 115,926.72/x - Step 3: Cross multiply
180,479.21x = 248,952.35 × 115,926.72 - Step 4: Simplify right side
180,479.21x = 28,860,227,547.40 - Step 5: Solve for x
x = 28,860,227,547.40/180,479.21 - Step 6: Final answer
x = 159,908.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.