Finding the Fourth Proportional to 451,707.84, 623,384.76 and 250,503.84
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Solution
The fourth proportional to 451,707.84, 623,384.76 and 250,503.84 is: 345,710.79
Step by Step Solution
- Step 1: Write the proportion equation
451,707.84 : 623,384.76 = 250,503.84 : x - Step 2: Convert to fraction form
451,707.84/623,384.76 = 250,503.84/x - Step 3: Cross multiply
451,707.84x = 623,384.76 × 250,503.84 - Step 4: Simplify right side
451,707.84x = 156,160,276,177.48 - Step 5: Solve for x
x = 156,160,276,177.48/451,707.84 - Step 6: Final answer
x = 345,710.79
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1.5x scale
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.