Finding the Fourth Proportional to 539,108.24, 808,651.32 and 239,507.60
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Solution
The fourth proportional to 539,108.24, 808,651.32 and 239,507.60 is: 359,256.50
Step by Step Solution
- Step 1: Write the proportion equation
539,108.24 : 808,651.32 = 239,507.60 : x - Step 2: Convert to fraction form
539,108.24/808,651.32 = 239,507.60/x - Step 3: Cross multiply
539,108.24x = 808,651.32 × 239,507.60 - Step 4: Simplify right side
539,108.24x = 193,678,136,890.03 - Step 5: Solve for x
x = 193,678,136,890.03/539,108.24 - Step 6: Final answer
x = 359,256.50
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1.5x scale
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.