Finding the Fourth Proportional to 239,782.04, 330,878.26 and 153,588.98
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Solution
The fourth proportional to 239,782.04, 330,878.26 and 153,588.98 is: 211,939.37
Step by Step Solution
- Step 1: Write the proportion equation
239,782.04 : 330,878.26 = 153,588.98 : x - Step 2: Convert to fraction form
239,782.04/330,878.26 = 153,588.98/x - Step 3: Cross multiply
239,782.04x = 330,878.26 × 153,588.98 - Step 4: Simplify right side
239,782.04x = 50,819,254,457.57 - Step 5: Solve for x
x = 50,819,254,457.57/239,782.04 - Step 6: Final answer
x = 211,939.37
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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.