Finding the Fourth Proportional to 219,894.99, 329,873.93 and 70,136.98
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Solution
The fourth proportional to 219,894.99, 329,873.93 and 70,136.98 is: 105,215.50
Step by Step Solution
- Step 1: Write the proportion equation
219,894.99 : 329,873.93 = 70,136.98 : x - Step 2: Convert to fraction form
219,894.99/329,873.93 = 70,136.98/x - Step 3: Cross multiply
219,894.99x = 329,873.93 × 70,136.98 - Step 4: Simplify right side
219,894.99x = 23,136,360,467.90 - Step 5: Solve for x
x = 23,136,360,467.90/219,894.99 - Step 6: Final answer
x = 105,215.50
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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.