Finding the Fourth Proportional to 389,206.02, 537,104.07 and 210,358.02
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Solution
The fourth proportional to 389,206.02, 537,104.07 and 210,358.02 is: 290,293.94
Step by Step Solution
- Step 1: Write the proportion equation
389,206.02 : 537,104.07 = 210,358.02 : x - Step 2: Convert to fraction form
389,206.02/537,104.07 = 210,358.02/x - Step 3: Cross multiply
389,206.02x = 537,104.07 × 210,358.02 - Step 4: Simplify right side
389,206.02x = 112,984,148,699.14 - Step 5: Solve for x
x = 112,984,148,699.14/389,206.02 - Step 6: Final answer
x = 290,293.94
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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.