Finding the Fourth Proportional to 249,139.73, 373,528.56 and 99,335.09
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Solution
The fourth proportional to 249,139.73, 373,528.56 and 99,335.09 is: 148,930.45
Step by Step Solution
- Step 1: Write the proportion equation
249,139.73 : 373,528.56 = 99,335.09 : x - Step 2: Convert to fraction form
249,139.73/373,528.56 = 99,335.09/x - Step 3: Cross multiply
249,139.73x = 373,528.56 × 99,335.09 - Step 4: Simplify right side
249,139.73x = 37,104,493,125.17 - Step 5: Solve for x
x = 37,104,493,125.17/249,139.73 - Step 6: Final answer
x = 148,930.45
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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.