Finding the Fourth Proportional to 320,332.19, 442,169.73 and 184,420.29
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Solution
The fourth proportional to 320,332.19, 442,169.73 and 184,420.29 is: 254,564.09
Step by Step Solution
- Step 1: Write the proportion equation
320,332.19 : 442,169.73 = 184,420.29 : x - Step 2: Convert to fraction form
320,332.19/442,169.73 = 184,420.29/x - Step 3: Cross multiply
320,332.19x = 442,169.73 × 184,420.29 - Step 4: Simplify right side
320,332.19x = 81,545,069,835.82 - Step 5: Solve for x
x = 81,545,069,835.82/320,332.19 - Step 6: Final answer
x = 254,564.09
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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.