Finding the Fourth Proportional to 180,549.45, 249,140.86 and 107,937.99
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Solution
The fourth proportional to 180,549.45, 249,140.86 and 107,937.99 is: 148,944.04
Step by Step Solution
- Step 1: Write the proportion equation
180,549.45 : 249,140.86 = 107,937.99 : x - Step 2: Convert to fraction form
180,549.45/249,140.86 = 107,937.99/x - Step 3: Cross multiply
180,549.45x = 249,140.86 × 107,937.99 - Step 4: Simplify right side
180,549.45x = 26,891,763,655.27 - Step 5: Solve for x
x = 26,891,763,655.27/180,549.45 - Step 6: Final answer
x = 148,944.04
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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.