Finding the Fourth Proportional to 245,341.44, 368,079.12 and 87,585.84
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Solution
The fourth proportional to 245,341.44, 368,079.12 and 87,585.84 is: 131,402.66
Step by Step Solution
- Step 1: Write the proportion equation
245,341.44 : 368,079.12 = 87,585.84 : x - Step 2: Convert to fraction form
245,341.44/368,079.12 = 87,585.84/x - Step 3: Cross multiply
245,341.44x = 368,079.12 × 87,585.84 - Step 4: Simplify right side
245,341.44x = 32,238,518,911.66 - Step 5: Solve for x
x = 32,238,518,911.66/245,341.44 - Step 6: Final answer
x = 131,402.66
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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.