Finding the Fourth Proportional to 140,423.19, 210,637.53 and 65,522.99
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Solution
The fourth proportional to 140,423.19, 210,637.53 and 65,522.99 is: 98,285.76
Step by Step Solution
- Step 1: Write the proportion equation
140,423.19 : 210,637.53 = 65,522.99 : x - Step 2: Convert to fraction form
140,423.19/210,637.53 = 65,522.99/x - Step 3: Cross multiply
140,423.19x = 210,637.53 × 65,522.99 - Step 4: Simplify right side
140,423.19x = 13,801,599,718.63 - Step 5: Solve for x
x = 13,801,599,718.63/140,423.19 - Step 6: Final answer
x = 98,285.76
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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.