Finding the Fourth Proportional to 539,296.24, 809,117.04 and 258,833.20
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Solution
The fourth proportional to 539,296.24, 809,117.04 and 258,833.20 is: 388,332.68
Step by Step Solution
- Step 1: Write the proportion equation
539,296.24 : 809,117.04 = 258,833.20 : x - Step 2: Convert to fraction form
539,296.24/809,117.04 = 258,833.20/x - Step 3: Cross multiply
539,296.24x = 809,117.04 × 258,833.20 - Step 4: Simplify right side
539,296.24x = 209,426,352,637.73 - Step 5: Solve for x
x = 209,426,352,637.73/539,296.24 - Step 6: Final answer
x = 388,332.68
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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.