Finding the Fourth Proportional to 292,510.14, 438,765.18 and 70,894.14
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Solution
The fourth proportional to 292,510.14, 438,765.18 and 70,894.14 is: 106,341.20
Step by Step Solution
- Step 1: Write the proportion equation
292,510.14 : 438,765.18 = 70,894.14 : x - Step 2: Convert to fraction form
292,510.14/438,765.18 = 70,894.14/x - Step 3: Cross multiply
292,510.14x = 438,765.18 × 70,894.14 - Step 4: Simplify right side
292,510.14x = 31,105,880,098.05 - Step 5: Solve for x
x = 31,105,880,098.05/292,510.14 - Step 6: Final answer
x = 106,341.20
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1.5x scale
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.