Finding the Fourth Proportional to 475,669.35, 656,418.80 and 260,809.05
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Solution
The fourth proportional to 475,669.35, 656,418.80 and 260,809.05 is: 359,913.80
Step by Step Solution
- Step 1: Write the proportion equation
475,669.35 : 656,418.80 = 260,809.05 : x - Step 2: Convert to fraction form
475,669.35/656,418.80 = 260,809.05/x - Step 3: Cross multiply
475,669.35x = 656,418.80 × 260,809.05 - Step 4: Simplify right side
475,669.35x = 171,199,963,630.14 - Step 5: Solve for x
x = 171,199,963,630.14/475,669.35 - Step 6: Final answer
x = 359,913.80
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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.