Finding the Fourth Proportional to 468,782.08, 646,918.98 and 253,921.63
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Solution
The fourth proportional to 468,782.08, 646,918.98 and 253,921.63 is: 350,411.69
Step by Step Solution
- Step 1: Write the proportion equation
468,782.08 : 646,918.98 = 253,921.63 : x - Step 2: Convert to fraction form
468,782.08/646,918.98 = 253,921.63/x - Step 3: Cross multiply
468,782.08x = 646,918.98 × 253,921.63 - Step 4: Simplify right side
468,782.08x = 164,266,721,879.54 - Step 5: Solve for x
x = 164,266,721,879.54/468,782.08 - Step 6: Final answer
x = 350,411.69
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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.