Finding the Fourth Proportional to 249,490.49, 344,296.98 and 134,769.12
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Solution
The fourth proportional to 249,490.49, 344,296.98 and 134,769.12 is: 185,981.44
Step by Step Solution
- Step 1: Write the proportion equation
249,490.49 : 344,296.98 = 134,769.12 : x - Step 2: Convert to fraction form
249,490.49/344,296.98 = 134,769.12/x - Step 3: Cross multiply
249,490.49x = 344,296.98 × 134,769.12 - Step 4: Simplify right side
249,490.49x = 46,400,601,013.26 - Step 5: Solve for x
x = 46,400,601,013.26/249,490.49 - Step 6: Final answer
x = 185,981.44
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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.