Finding the Fourth Proportional to 160,435.99, 221,424.83 and 92,439.93
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Solution
The fourth proportional to 160,435.99, 221,424.83 and 92,439.93 is: 127,580.45
Step by Step Solution
- Step 1: Write the proportion equation
160,435.99 : 221,424.83 = 92,439.93 : x - Step 2: Convert to fraction form
160,435.99/221,424.83 = 92,439.93/x - Step 3: Cross multiply
160,435.99x = 221,424.83 × 92,439.93 - Step 4: Simplify right side
160,435.99x = 20,468,495,785.46 - Step 5: Solve for x
x = 20,468,495,785.46/160,435.99 - Step 6: Final answer
x = 127,580.45
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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.