Finding the Fourth Proportional to 354,534.14, 531,808.50 and 117,878.88
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Solution
The fourth proportional to 354,534.14, 531,808.50 and 117,878.88 is: 176,820.74
Step by Step Solution
- Step 1: Write the proportion equation
354,534.14 : 531,808.50 = 117,878.88 : x - Step 2: Convert to fraction form
354,534.14/531,808.50 = 117,878.88/x - Step 3: Cross multiply
354,534.14x = 531,808.50 × 117,878.88 - Step 4: Simplify right side
354,534.14x = 62,688,990,354.48 - Step 5: Solve for x
x = 62,688,990,354.48/354,534.14 - Step 6: Final answer
x = 176,820.74
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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.