Finding the Fourth Proportional to 422,490.04, 633,735.52 and 106,946.94
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Solution
The fourth proportional to 422,490.04, 633,735.52 and 106,946.94 is: 160,420.53
Step by Step Solution
- Step 1: Write the proportion equation
422,490.04 : 633,735.52 = 106,946.94 : x - Step 2: Convert to fraction form
422,490.04/633,735.52 = 106,946.94/x - Step 3: Cross multiply
422,490.04x = 633,735.52 × 106,946.94 - Step 4: Simplify right side
422,490.04x = 67,776,074,633.31 - Step 5: Solve for x
x = 67,776,074,633.31/422,490.04 - Step 6: Final answer
x = 160,420.53
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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.