Finding the Fourth Proportional to 249,860.09, 344,806.98 and 140,987.53
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Solution
The fourth proportional to 249,860.09, 344,806.98 and 140,987.53 is: 194,562.82
Step by Step Solution
- Step 1: Write the proportion equation
249,860.09 : 344,806.98 = 140,987.53 : x - Step 2: Convert to fraction form
249,860.09/344,806.98 = 140,987.53/x - Step 3: Cross multiply
249,860.09x = 344,806.98 × 140,987.53 - Step 4: Simplify right side
249,860.09x = 48,613,484,436.96 - Step 5: Solve for x
x = 48,613,484,436.96/249,860.09 - Step 6: Final answer
x = 194,562.82
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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.