Finding the Fourth Proportional to 147,031.08, 202,903.02 and 79,963.08
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Solution
The fourth proportional to 147,031.08, 202,903.02 and 79,963.08 is: 110,349.12
Step by Step Solution
- Step 1: Write the proportion equation
147,031.08 : 202,903.02 = 79,963.08 : x - Step 2: Convert to fraction form
147,031.08/202,903.02 = 79,963.08/x - Step 3: Cross multiply
147,031.08x = 202,903.02 × 79,963.08 - Step 4: Simplify right side
147,031.08x = 16,224,750,420.50 - Step 5: Solve for x
x = 16,224,750,420.50/147,031.08 - Step 6: Final answer
x = 110,349.12
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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.