Finding the Fourth Proportional to 535,975.70, 803,963.55 and 136,615.70
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Solution
The fourth proportional to 535,975.70, 803,963.55 and 136,615.70 is: 204,923.55
Step by Step Solution
- Step 1: Write the proportion equation
535,975.70 : 803,963.55 = 136,615.70 : x - Step 2: Convert to fraction form
535,975.70/803,963.55 = 136,615.70/x - Step 3: Cross multiply
535,975.70x = 803,963.55 × 136,615.70 - Step 4: Simplify right side
535,975.70x = 109,834,043,157.74 - Step 5: Solve for x
x = 109,834,043,157.74/535,975.70 - Step 6: Final answer
x = 204,923.55
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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.