Finding the Fourth Proportional to 320,632.73, 442,434.26 and 184,710.68
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Solution
The fourth proportional to 320,632.73, 442,434.26 and 184,710.68 is: 254,878.32
Step by Step Solution
- Step 1: Write the proportion equation
320,632.73 : 442,434.26 = 184,710.68 : x - Step 2: Convert to fraction form
320,632.73/442,434.26 = 184,710.68/x - Step 3: Cross multiply
320,632.73x = 442,434.26 × 184,710.68 - Step 4: Simplify right side
320,632.73x = 81,722,330,807.73 - Step 5: Solve for x
x = 81,722,330,807.73/320,632.73 - Step 6: Final answer
x = 254,878.32
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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.