Finding the Fourth Proportional to 313,681.93, 470,258.34 and 136,055.14
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Solution
The fourth proportional to 313,681.93, 470,258.34 and 136,055.14 is: 203,967.96
Step by Step Solution
- Step 1: Write the proportion equation
313,681.93 : 470,258.34 = 136,055.14 : x - Step 2: Convert to fraction form
313,681.93/470,258.34 = 136,055.14/x - Step 3: Cross multiply
313,681.93x = 470,258.34 × 136,055.14 - Step 4: Simplify right side
313,681.93x = 63,981,064,284.87 - Step 5: Solve for x
x = 63,981,064,284.87/313,681.93 - Step 6: Final answer
x = 203,967.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.