Finding the Fourth Proportional to 393,332.20, 589,652.70 and 235,623.40
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Solution
The fourth proportional to 393,332.20, 589,652.70 and 235,623.40 is: 353,228.07
Step by Step Solution
- Step 1: Write the proportion equation
393,332.20 : 589,652.70 = 235,623.40 : x - Step 2: Convert to fraction form
393,332.20/589,652.70 = 235,623.40/x - Step 3: Cross multiply
393,332.20x = 589,652.70 × 235,623.40 - Step 4: Simplify right side
393,332.20x = 138,935,973,993.18 - Step 5: Solve for x
x = 138,935,973,993.18/393,332.20 - Step 6: Final answer
x = 353,228.07
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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.