Finding the Fourth Proportional to 338,637.15, 507,983.39 and 170,070.79
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Solution
The fourth proportional to 338,637.15, 507,983.39 and 170,070.79 is: 255,120.07
Step by Step Solution
- Step 1: Write the proportion equation
338,637.15 : 507,983.39 = 170,070.79 : x - Step 2: Convert to fraction form
338,637.15/507,983.39 = 170,070.79/x - Step 3: Cross multiply
338,637.15x = 507,983.39 × 170,070.79 - Step 4: Simplify right side
338,637.15x = 86,393,133,904.26 - Step 5: Solve for x
x = 86,393,133,904.26/338,637.15 - Step 6: Final answer
x = 255,120.07
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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.