Finding the Fourth Proportional to 507,078.81, 699,742.12 and 277,592.11
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Solution
The fourth proportional to 507,078.81, 699,742.12 and 277,592.11 is: 383,062.53
Step by Step Solution
- Step 1: Write the proportion equation
507,078.81 : 699,742.12 = 277,592.11 : x - Step 2: Convert to fraction form
507,078.81/699,742.12 = 277,592.11/x - Step 3: Cross multiply
507,078.81x = 699,742.12 × 277,592.11 - Step 4: Simplify right side
507,078.81x = 194,242,892,779.14 - Step 5: Solve for x
x = 194,242,892,779.14/507,078.81 - Step 6: Final answer
x = 383,062.53
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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.