Finding the Fourth Proportional to 313,289.18, 432,346.88 and 170,048.91
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Solution
The fourth proportional to 313,289.18, 432,346.88 and 170,048.91 is: 234,671.74
Step by Step Solution
- Step 1: Write the proportion equation
313,289.18 : 432,346.88 = 170,048.91 : x - Step 2: Convert to fraction form
313,289.18/432,346.88 = 170,048.91/x - Step 3: Cross multiply
313,289.18x = 432,346.88 × 170,048.91 - Step 4: Simplify right side
313,289.18x = 73,520,114,835.66 - Step 5: Solve for x
x = 73,520,114,835.66/313,289.18 - Step 6: Final answer
x = 234,671.74
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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.