Finding the Fourth Proportional to 438,133.80, 657,492.30 and 248,593.80
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Solution
The fourth proportional to 438,133.80, 657,492.30 and 248,593.80 is: 373,056.15
Step by Step Solution
- Step 1: Write the proportion equation
438,133.80 : 657,492.30 = 248,593.80 : x - Step 2: Convert to fraction form
438,133.80/657,492.30 = 248,593.80/x - Step 3: Cross multiply
438,133.80x = 657,492.30 × 248,593.80 - Step 4: Simplify right side
438,133.80x = 163,448,509,327.74 - Step 5: Solve for x
x = 163,448,509,327.74/438,133.80 - Step 6: Final answer
x = 373,056.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.