Finding the Fourth Proportional to 476,420.68, 657,768.18 and 295,325.20
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Solution
The fourth proportional to 476,420.68, 657,768.18 and 295,325.20 is: 407,739.48
Step by Step Solution
- Step 1: Write the proportion equation
476,420.68 : 657,768.18 = 295,325.20 : x - Step 2: Convert to fraction form
476,420.68/657,768.18 = 295,325.20/x - Step 3: Cross multiply
476,420.68x = 657,768.18 × 295,325.20 - Step 4: Simplify right side
476,420.68x = 194,255,519,312.14 - Step 5: Solve for x
x = 194,255,519,312.14/476,420.68 - Step 6: Final answer
x = 407,739.48
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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.