Finding the Fourth Proportional to 387,582.98, 535,125.46 and 346,619.84
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Solution
The fourth proportional to 387,582.98, 535,125.46 and 346,619.84 is: 478,568.75
Step by Step Solution
- Step 1: Write the proportion equation
387,582.98 : 535,125.46 = 346,619.84 : x - Step 2: Convert to fraction form
387,582.98/535,125.46 = 346,619.84/x - Step 3: Cross multiply
387,582.98x = 535,125.46 × 346,619.84 - Step 4: Simplify right side
387,582.98x = 185,485,101,325.13 - Step 5: Solve for x
x = 185,485,101,325.13/387,582.98 - Step 6: Final answer
x = 478,568.75
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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.