Finding the Fourth Proportional to 239,160.06, 330,055.80 and 131,730.06
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Solution
The fourth proportional to 239,160.06, 330,055.80 and 131,730.06 is: 181,795.70
Step by Step Solution
- Step 1: Write the proportion equation
239,160.06 : 330,055.80 = 131,730.06 : x - Step 2: Convert to fraction form
239,160.06/330,055.80 = 131,730.06/x - Step 3: Cross multiply
239,160.06x = 330,055.80 × 131,730.06 - Step 4: Simplify right side
239,160.06x = 43,478,270,337.35 - Step 5: Solve for x
x = 43,478,270,337.35/239,160.06 - Step 6: Final answer
x = 181,795.70
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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.