Finding the Fourth Proportional to 162,830.08, 224,725.44 and 99,177.12
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Solution
The fourth proportional to 162,830.08, 224,725.44 and 99,177.12 is: 136,876.56
Step by Step Solution
- Step 1: Write the proportion equation
162,830.08 : 224,725.44 = 99,177.12 : x - Step 2: Convert to fraction form
162,830.08/224,725.44 = 99,177.12/x - Step 3: Cross multiply
162,830.08x = 224,725.44 × 99,177.12 - Step 4: Simplify right side
162,830.08x = 22,287,621,929.93 - Step 5: Solve for x
x = 22,287,621,929.93/162,830.08 - Step 6: Final answer
x = 136,876.56
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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.