Finding the Fourth Proportional to 249,133.73, 373,519.55 and 99,329.09
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Solution
The fourth proportional to 249,133.73, 373,519.55 and 99,329.09 is: 148,921.45
Step by Step Solution
- Step 1: Write the proportion equation
249,133.73 : 373,519.55 = 99,329.09 : x - Step 2: Convert to fraction form
249,133.73/373,519.55 = 99,329.09/x - Step 3: Cross multiply
249,133.73x = 373,519.55 × 99,329.09 - Step 4: Simplify right side
249,133.73x = 37,101,356,998.71 - Step 5: Solve for x
x = 37,101,356,998.71/249,133.73 - Step 6: Final answer
x = 148,921.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.