Finding the Fourth Proportional to 487,985.75, 673,420.21 and 273,125.80
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Solution
The fourth proportional to 487,985.75, 673,420.21 and 273,125.80 is: 376,913.53
Step by Step Solution
- Step 1: Write the proportion equation
487,985.75 : 673,420.21 = 273,125.80 : x - Step 2: Convert to fraction form
487,985.75/673,420.21 = 273,125.80/x - Step 3: Cross multiply
487,985.75x = 673,420.21 × 273,125.80 - Step 4: Simplify right side
487,985.75x = 183,928,433,592.42 - Step 5: Solve for x
x = 183,928,433,592.42/487,985.75 - Step 6: Final answer
x = 376,913.53
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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.