Finding the Fourth Proportional to 409,887.20, 614,784.62 and 110,389.70
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Solution
The fourth proportional to 409,887.20, 614,784.62 and 110,389.70 is: 165,572.11
Step by Step Solution
- Step 1: Write the proportion equation
409,887.20 : 614,784.62 = 110,389.70 : x - Step 2: Convert to fraction form
409,887.20/614,784.62 = 110,389.70/x - Step 3: Cross multiply
409,887.20x = 614,784.62 × 110,389.70 - Step 4: Simplify right side
409,887.20x = 67,865,886,140.54 - Step 5: Solve for x
x = 67,865,886,140.54/409,887.20 - Step 6: Final answer
x = 165,572.11
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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.