Finding the Fourth Proportional to 646,724.60, 970,232.70 and 197,466.20
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Solution
The fourth proportional to 646,724.60, 970,232.70 and 197,466.20 is: 296,243.82
Step by Step Solution
- Step 1: Write the proportion equation
646,724.60 : 970,232.70 = 197,466.20 : x - Step 2: Convert to fraction form
646,724.60/970,232.70 = 197,466.20/x - Step 3: Cross multiply
646,724.60x = 970,232.70 × 197,466.20 - Step 4: Simplify right side
646,724.60x = 191,588,164,384.74 - Step 5: Solve for x
x = 191,588,164,384.74/646,724.60 - Step 6: Final answer
x = 296,243.82
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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.