Finding the Fourth Proportional to 180,547.45, 249,138.10 and 107,935.99
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Solution
The fourth proportional to 180,547.45, 249,138.10 and 107,935.99 is: 148,941.28
Step by Step Solution
- Step 1: Write the proportion equation
180,547.45 : 249,138.10 = 107,935.99 : x - Step 2: Convert to fraction form
180,547.45/249,138.10 = 107,935.99/x - Step 3: Cross multiply
180,547.45x = 249,138.10 × 107,935.99 - Step 4: Simplify right side
180,547.45x = 26,890,967,470.22 - Step 5: Solve for x
x = 26,890,967,470.22/180,547.45 - Step 6: Final answer
x = 148,941.28
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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.