Finding the Fourth Proportional to 389,233.80, 583,850.70 and 249,265.80
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Solution
The fourth proportional to 389,233.80, 583,850.70 and 249,265.80 is: 373,898.70
Step by Step Solution
- Step 1: Write the proportion equation
389,233.80 : 583,850.70 = 249,265.80 : x - Step 2: Convert to fraction form
389,233.80/583,850.70 = 249,265.80/x - Step 3: Cross multiply
389,233.80x = 583,850.70 × 249,265.80 - Step 4: Simplify right side
389,233.80x = 145,534,011,816.06 - Step 5: Solve for x
x = 145,534,011,816.06/389,233.80 - Step 6: Final answer
x = 373,898.70
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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.