Finding the Fourth Proportional to 331,330.16, 457,223.61 and 202,484.19
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Solution
The fourth proportional to 331,330.16, 457,223.61 and 202,484.19 is: 279,420.84
Step by Step Solution
- Step 1: Write the proportion equation
331,330.16 : 457,223.61 = 202,484.19 : x - Step 2: Convert to fraction form
331,330.16/457,223.61 = 202,484.19/x - Step 3: Cross multiply
331,330.16x = 457,223.61 × 202,484.19 - Step 4: Simplify right side
331,330.16x = 92,580,551,307.31 - Step 5: Solve for x
x = 92,580,551,307.31/331,330.16 - Step 6: Final answer
x = 279,420.84
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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.