Finding the Fourth Proportional to 298,888.13, 412,462.94 and 162,922.07
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Solution
The fourth proportional to 298,888.13, 412,462.94 and 162,922.07 is: 224,830.99
Step by Step Solution
- Step 1: Write the proportion equation
298,888.13 : 412,462.94 = 162,922.07 : x - Step 2: Convert to fraction form
298,888.13/412,462.94 = 162,922.07/x - Step 3: Cross multiply
298,888.13x = 412,462.94 × 162,922.07 - Step 4: Simplify right side
298,888.13x = 67,199,316,199.63 - Step 5: Solve for x
x = 67,199,316,199.63/298,888.13 - Step 6: Final answer
x = 224,830.99
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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.