Finding the Fourth Proportional to 180,549.09, 249,154.69 and 99,974.88
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Solution
The fourth proportional to 180,549.09, 249,154.69 and 99,974.88 is: 137,963.64
Step by Step Solution
- Step 1: Write the proportion equation
180,549.09 : 249,154.69 = 99,974.88 : x - Step 2: Convert to fraction form
180,549.09/249,154.69 = 99,974.88/x - Step 3: Cross multiply
180,549.09x = 249,154.69 × 99,974.88 - Step 4: Simplify right side
180,549.09x = 24,909,210,234.19 - Step 5: Solve for x
x = 24,909,210,234.19/180,549.09 - Step 6: Final answer
x = 137,963.64
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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.