Finding the Fourth Proportional to 420,368.88, 630,535.66 and 195,652.02
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Solution
The fourth proportional to 420,368.88, 630,535.66 and 195,652.02 is: 293,469.81
Step by Step Solution
- Step 1: Write the proportion equation
420,368.88 : 630,535.66 = 195,652.02 : x - Step 2: Convert to fraction form
420,368.88/630,535.66 = 195,652.02/x - Step 3: Cross multiply
420,368.88x = 630,535.66 × 195,652.02 - Step 4: Simplify right side
420,368.88x = 123,365,575,561.03 - Step 5: Solve for x
x = 123,365,575,561.03/420,368.88 - Step 6: Final answer
x = 293,469.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.