Finding the Fourth Proportional to 395,729.92, 593,746.72 and 238,070.08
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Solution
The fourth proportional to 395,729.92, 593,746.72 and 238,070.08 is: 357,196.47
Step by Step Solution
- Step 1: Write the proportion equation
395,729.92 : 593,746.72 = 238,070.08 : x - Step 2: Convert to fraction form
395,729.92/593,746.72 = 238,070.08/x - Step 3: Cross multiply
395,729.92x = 593,746.72 × 238,070.08 - Step 4: Simplify right side
395,729.92x = 141,353,329,130.14 - Step 5: Solve for x
x = 141,353,329,130.14/395,729.92 - Step 6: Final answer
x = 357,196.47
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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.