Finding the Fourth Proportional to 456,252.15, 629,331.51 and 292,649.70
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Solution
The fourth proportional to 456,252.15, 629,331.51 and 292,649.70 is: 403,666.43
Step by Step Solution
- Step 1: Write the proportion equation
456,252.15 : 629,331.51 = 292,649.70 : x - Step 2: Convert to fraction form
456,252.15/629,331.51 = 292,649.70/x - Step 3: Cross multiply
456,252.15x = 629,331.51 × 292,649.70 - Step 4: Simplify right side
456,252.15x = 184,173,677,602.05 - Step 5: Solve for x
x = 184,173,677,602.05/456,252.15 - Step 6: Final answer
x = 403,666.43
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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.