Finding the Fourth Proportional to 506,628.08, 699,086.12 and 280,242.80
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Solution
The fourth proportional to 506,628.08, 699,086.12 and 280,242.80 is: 386,701.53
Step by Step Solution
- Step 1: Write the proportion equation
506,628.08 : 699,086.12 = 280,242.80 : x - Step 2: Convert to fraction form
506,628.08/699,086.12 = 280,242.80/x - Step 3: Cross multiply
506,628.08x = 699,086.12 × 280,242.80 - Step 4: Simplify right side
506,628.08x = 195,913,851,709.94 - Step 5: Solve for x
x = 195,913,851,709.94/506,628.08 - Step 6: Final answer
x = 386,701.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.