Finding the Fourth Proportional to 353,246.96, 529,871.68 and 87,013.76
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Solution
The fourth proportional to 353,246.96, 529,871.68 and 87,013.76 is: 130,520.95
Step by Step Solution
- Step 1: Write the proportion equation
353,246.96 : 529,871.68 = 87,013.76 : x - Step 2: Convert to fraction form
353,246.96/529,871.68 = 87,013.76/x - Step 3: Cross multiply
353,246.96x = 529,871.68 × 87,013.76 - Step 4: Simplify right side
353,246.96x = 46,106,127,194.32 - Step 5: Solve for x
x = 46,106,127,194.32/353,246.96 - Step 6: Final answer
x = 130,520.95
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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.