Finding the Fourth Proportional to 539,176.42, 808,868.31 and 206,726.50
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Solution
The fourth proportional to 539,176.42, 808,868.31 and 206,726.50 is: 310,129.50
Step by Step Solution
- Step 1: Write the proportion equation
539,176.42 : 808,868.31 = 206,726.50 : x - Step 2: Convert to fraction form
539,176.42/808,868.31 = 206,726.50/x - Step 3: Cross multiply
539,176.42x = 808,868.31 × 206,726.50 - Step 4: Simplify right side
539,176.42x = 167,214,514,687.22 - Step 5: Solve for x
x = 167,214,514,687.22/539,176.42 - Step 6: Final answer
x = 310,129.50
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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.