Finding the Fourth Proportional to 371,800.45, 557,528.45 and 300,547.99
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Solution
The fourth proportional to 371,800.45, 557,528.45 and 300,547.99 is: 450,682.77
Step by Step Solution
- Step 1: Write the proportion equation
371,800.45 : 557,528.45 = 300,547.99 : x - Step 2: Convert to fraction form
371,800.45/557,528.45 = 300,547.99/x - Step 3: Cross multiply
371,800.45x = 557,528.45 × 300,547.99 - Step 4: Simplify right side
371,800.45x = 167,564,055,015.32 - Step 5: Solve for x
x = 167,564,055,015.32/371,800.45 - Step 6: Final answer
x = 450,682.77
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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.