Finding the Fourth Proportional to 249,447.98, 344,232.98 and 140,557.92
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Solution
The fourth proportional to 249,447.98, 344,232.98 and 140,557.92 is: 193,966.98
Step by Step Solution
- Step 1: Write the proportion equation
249,447.98 : 344,232.98 = 140,557.92 : x - Step 2: Convert to fraction form
249,447.98/344,232.98 = 140,557.92/x - Step 3: Cross multiply
249,447.98x = 344,232.98 × 140,557.92 - Step 4: Simplify right side
249,447.98x = 48,384,671,664.20 - Step 5: Solve for x
x = 48,384,671,664.20/249,447.98 - Step 6: Final answer
x = 193,966.98
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1.5x scale
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.