Finding the Fourth Proportional to 249,775.94, 344,690.05 and 135,053.77
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Solution
The fourth proportional to 249,775.94, 344,690.05 and 135,053.77 is: 186,373.80
Step by Step Solution
- Step 1: Write the proportion equation
249,775.94 : 344,690.05 = 135,053.77 : x - Step 2: Convert to fraction form
249,775.94/344,690.05 = 135,053.77/x - Step 3: Cross multiply
249,775.94x = 344,690.05 × 135,053.77 - Step 4: Simplify right side
249,775.94x = 46,551,689,010.54 - Step 5: Solve for x
x = 46,551,689,010.54/249,775.94 - Step 6: Final answer
x = 186,373.80
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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.