Finding the Fourth Proportional to 343,438.19, 473,937.64 and 190,451.69
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Solution
The fourth proportional to 343,438.19, 473,937.64 and 190,451.69 is: 262,819.41
Step by Step Solution
- Step 1: Write the proportion equation
343,438.19 : 473,937.64 = 190,451.69 : x - Step 2: Convert to fraction form
343,438.19/473,937.64 = 190,451.69/x - Step 3: Cross multiply
343,438.19x = 473,937.64 × 190,451.69 - Step 4: Simplify right side
343,438.19x = 90,262,223,424.06 - Step 5: Solve for x
x = 90,262,223,424.06/343,438.19 - Step 6: Final answer
x = 262,819.41
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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.