Finding the Fourth Proportional to 487,509.40, 731,189.91 and 187,946.26
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Solution
The fourth proportional to 487,509.40, 731,189.91 and 187,946.26 is: 281,890.79
Step by Step Solution
- Step 1: Write the proportion equation
487,509.40 : 731,189.91 = 187,946.26 : x - Step 2: Convert to fraction form
487,509.40/731,189.91 = 187,946.26/x - Step 3: Cross multiply
487,509.40x = 731,189.91 × 187,946.26 - Step 4: Simplify right side
487,509.40x = 137,424,408,934.24 - Step 5: Solve for x
x = 137,424,408,934.24/487,509.40 - Step 6: Final answer
x = 281,890.79
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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.