Finding the Fourth Proportional to 97,810.71, 146,660.99 and 31,235.19
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Solution
The fourth proportional to 97,810.71, 146,660.99 and 31,235.19 is: 46,835.20
Step by Step Solution
- Step 1: Write the proportion equation
97,810.71 : 146,660.99 = 31,235.19 : x - Step 2: Convert to fraction form
97,810.71/146,660.99 = 31,235.19/x - Step 3: Cross multiply
97,810.71x = 146,660.99 × 31,235.19 - Step 4: Simplify right side
97,810.71x = 4,580,983,732.06 - Step 5: Solve for x
x = 4,580,983,732.06/97,810.71 - Step 6: Final answer
x = 46,835.20
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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.