Finding the Fourth Proportional to 320,798.13, 442,593.33 and 184,828.70
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Solution
The fourth proportional to 320,798.13, 442,593.33 and 184,828.70 is: 255,001.32
Step by Step Solution
- Step 1: Write the proportion equation
320,798.13 : 442,593.33 = 184,828.70 : x - Step 2: Convert to fraction form
320,798.13/442,593.33 = 184,828.70/x - Step 3: Cross multiply
320,798.13x = 442,593.33 × 184,828.70 - Step 4: Simplify right side
320,798.13x = 81,803,947,599.60 - Step 5: Solve for x
x = 81,803,947,599.60/320,798.13 - Step 6: Final answer
x = 255,001.32
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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.