Finding the Fourth Proportional to 180,547.20, 249,133.68 and 111,625.92
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Solution
The fourth proportional to 180,547.20, 249,133.68 and 111,625.92 is: 154,030.50
Step by Step Solution
- Step 1: Write the proportion equation
180,547.20 : 249,133.68 = 111,625.92 : x - Step 2: Convert to fraction form
180,547.20/249,133.68 = 111,625.92/x - Step 3: Cross multiply
180,547.20x = 249,133.68 × 111,625.92 - Step 4: Simplify right side
180,547.20x = 27,809,776,232.99 - Step 5: Solve for x
x = 27,809,776,232.99/180,547.20 - Step 6: Final answer
x = 154,030.50
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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.