Finding the Fourth Proportional to 140,248.41, 210,434.27 and 73,673.07
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Solution
The fourth proportional to 140,248.41, 210,434.27 and 73,673.07 is: 110,541.99
Step by Step Solution
- Step 1: Write the proportion equation
140,248.41 : 210,434.27 = 73,673.07 : x - Step 2: Convert to fraction form
140,248.41/210,434.27 = 73,673.07/x - Step 3: Cross multiply
140,248.41x = 210,434.27 × 73,673.07 - Step 4: Simplify right side
140,248.41x = 15,503,338,335.74 - Step 5: Solve for x
x = 15,503,338,335.74/140,248.41 - Step 6: Final answer
x = 110,541.99
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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.