Finding the Fourth Proportional to 420,355.35, 630,526.32 and 195,590.07
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Solution
The fourth proportional to 420,355.35, 630,526.32 and 195,590.07 is: 293,381.99
Step by Step Solution
- Step 1: Write the proportion equation
420,355.35 : 630,526.32 = 195,590.07 : x - Step 2: Convert to fraction form
420,355.35/630,526.32 = 195,590.07/x - Step 3: Cross multiply
420,355.35x = 630,526.32 × 195,590.07 - Step 4: Simplify right side
420,355.35x = 123,324,687,065.64 - Step 5: Solve for x
x = 123,324,687,065.64/420,355.35 - Step 6: Final answer
x = 293,381.99
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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.