Finding the Fourth Proportional to 470,192.40, 648,866.84 and 255,336.08
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Solution
The fourth proportional to 470,192.40, 648,866.84 and 255,336.08 is: 352,364.51
Step by Step Solution
- Step 1: Write the proportion equation
470,192.40 : 648,866.84 = 255,336.08 : x - Step 2: Convert to fraction form
470,192.40/648,866.84 = 255,336.08/x - Step 3: Cross multiply
470,192.40x = 648,866.84 × 255,336.08 - Step 4: Simplify right side
470,192.40x = 165,679,115,367.59 - Step 5: Solve for x
x = 165,679,115,367.59/470,192.40 - Step 6: Final answer
x = 352,364.51
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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.