Finding the Fourth Proportional to 423,177.40, 583,995.55 and 232,190.74
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Solution
The fourth proportional to 423,177.40, 583,995.55 and 232,190.74 is: 320,429.11
Step by Step Solution
- Step 1: Write the proportion equation
423,177.40 : 583,995.55 = 232,190.74 : x - Step 2: Convert to fraction form
423,177.40/583,995.55 = 232,190.74/x - Step 3: Cross multiply
423,177.40x = 583,995.55 × 232,190.74 - Step 4: Simplify right side
423,177.40x = 135,598,355,991.23 - Step 5: Solve for x
x = 135,598,355,991.23/423,177.40 - Step 6: Final answer
x = 320,429.11
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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.