Finding the Fourth Proportional to 249,210.56, 343,918.35 and 141,796.05
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Solution
The fourth proportional to 249,210.56, 343,918.35 and 141,796.05 is: 195,682.98
Step by Step Solution
- Step 1: Write the proportion equation
249,210.56 : 343,918.35 = 141,796.05 : x - Step 2: Convert to fraction form
249,210.56/343,918.35 = 141,796.05/x - Step 3: Cross multiply
249,210.56x = 343,918.35 × 141,796.05 - Step 4: Simplify right side
249,210.56x = 48,766,263,552.52 - Step 5: Solve for x
x = 48,766,263,552.52/249,210.56 - Step 6: Final answer
x = 195,682.98
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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.