Finding the Fourth Proportional to 482,880.99, 724,328.34 and 145,924.45
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Solution
The fourth proportional to 482,880.99, 724,328.34 and 145,924.45 is: 218,888.75
Step by Step Solution
- Step 1: Write the proportion equation
482,880.99 : 724,328.34 = 145,924.45 : x - Step 2: Convert to fraction form
482,880.99/724,328.34 = 145,924.45/x - Step 3: Cross multiply
482,880.99x = 724,328.34 × 145,924.45 - Step 4: Simplify right side
482,880.99x = 105,697,214,633.91 - Step 5: Solve for x
x = 105,697,214,633.91/482,880.99 - Step 6: Final answer
x = 218,888.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.