Finding the Fourth Proportional to 324,663.70, 486,995.55 and 245,931.70
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Solution
The fourth proportional to 324,663.70, 486,995.55 and 245,931.70 is: 368,897.55
Step by Step Solution
- Step 1: Write the proportion equation
324,663.70 : 486,995.55 = 245,931.70 : x - Step 2: Convert to fraction form
324,663.70/486,995.55 = 245,931.70/x - Step 3: Cross multiply
324,663.70x = 486,995.55 × 245,931.70 - Step 4: Simplify right side
324,663.70x = 119,767,643,503.94 - Step 5: Solve for x
x = 119,767,643,503.94/324,663.70 - Step 6: Final answer
x = 368,897.55
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1.5x scale
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.