Finding the Fourth Proportional to 387,745.30, 581,710.74 and 187,831.99
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Solution
The fourth proportional to 387,745.30, 581,710.74 and 187,831.99 is: 281,792.93
Step by Step Solution
- Step 1: Write the proportion equation
387,745.30 : 581,710.74 = 187,831.99 : x - Step 2: Convert to fraction form
387,745.30/581,710.74 = 187,831.99/x - Step 3: Cross multiply
387,745.30x = 581,710.74 × 187,831.99 - Step 4: Simplify right side
387,745.30x = 109,263,885,898.57 - Step 5: Solve for x
x = 109,263,885,898.57/387,745.30 - Step 6: Final answer
x = 281,792.93
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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.