Finding the Fourth Proportional to 238,226.10, 328,752.66 and 130,803.08
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Solution
The fourth proportional to 238,226.10, 328,752.66 and 130,803.08 is: 180,508.60
Step by Step Solution
- Step 1: Write the proportion equation
238,226.10 : 328,752.66 = 130,803.08 : x - Step 2: Convert to fraction form
238,226.10/328,752.66 = 130,803.08/x - Step 3: Cross multiply
238,226.10x = 328,752.66 × 130,803.08 - Step 4: Simplify right side
238,226.10x = 43,001,860,486.19 - Step 5: Solve for x
x = 43,001,860,486.19/238,226.10 - Step 6: Final answer
x = 180,508.60
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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.