Finding the Fourth Proportional to 357,725.74, 493,553.87 and 214,433.50
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Solution
The fourth proportional to 357,725.74, 493,553.87 and 214,433.50 is: 295,853.70
Step by Step Solution
- Step 1: Write the proportion equation
357,725.74 : 493,553.87 = 214,433.50 : x - Step 2: Convert to fraction form
357,725.74/493,553.87 = 214,433.50/x - Step 3: Cross multiply
357,725.74x = 493,553.87 × 214,433.50 - Step 4: Simplify right side
357,725.74x = 105,834,483,782.65 - Step 5: Solve for x
x = 105,834,483,782.65/357,725.74 - Step 6: Final answer
x = 295,853.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.