Finding the Fourth Proportional to 357,315.98, 493,099.59 and 193,973.75
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Solution
The fourth proportional to 357,315.98, 493,099.59 and 193,973.75 is: 267,685.70
Step by Step Solution
- Step 1: Write the proportion equation
357,315.98 : 493,099.59 = 193,973.75 : x - Step 2: Convert to fraction form
357,315.98/493,099.59 = 193,973.75/x - Step 3: Cross multiply
357,315.98x = 493,099.59 × 193,973.75 - Step 4: Simplify right side
357,315.98x = 95,648,376,595.76 - Step 5: Solve for x
x = 95,648,376,595.76/357,315.98 - Step 6: Final answer
x = 267,685.70
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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.