Finding the Fourth Proportional to 180,472.14, 249,048.52 and 99,897.94
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Solution
The fourth proportional to 180,472.14, 249,048.52 and 99,897.94 is: 137,857.48
Step by Step Solution
- Step 1: Write the proportion equation
180,472.14 : 249,048.52 = 99,897.94 : x - Step 2: Convert to fraction form
180,472.14/249,048.52 = 99,897.94/x - Step 3: Cross multiply
180,472.14x = 249,048.52 × 99,897.94 - Step 4: Simplify right side
180,472.14x = 24,879,434,108.05 - Step 5: Solve for x
x = 24,879,434,108.05/180,472.14 - Step 6: Final answer
x = 137,857.48
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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.