Finding the Fourth Proportional to 291,783.13, 402,652.69 and 162,725.52
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Solution
The fourth proportional to 291,783.13, 402,652.69 and 162,725.52 is: 224,556.74
Step by Step Solution
- Step 1: Write the proportion equation
291,783.13 : 402,652.69 = 162,725.52 : x - Step 2: Convert to fraction form
291,783.13/402,652.69 = 162,725.52/x - Step 3: Cross multiply
291,783.13x = 402,652.69 × 162,725.52 - Step 4: Simplify right side
291,783.13x = 65,521,868,359.65 - Step 5: Solve for x
x = 65,521,868,359.65/291,783.13 - Step 6: Final answer
x = 224,556.74
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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.