Finding the Fourth Proportional to 539,349.60, 808,246.80 and 239,584.80
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Solution
The fourth proportional to 539,349.60, 808,246.80 and 239,584.80 is: 359,031.78
Step by Step Solution
- Step 1: Write the proportion equation
539,349.60 : 808,246.80 = 239,584.80 : x - Step 2: Convert to fraction form
539,349.60/808,246.80 = 239,584.80/x - Step 3: Cross multiply
539,349.60x = 808,246.80 × 239,584.80 - Step 4: Simplify right side
539,349.60x = 193,643,647,928.64 - Step 5: Solve for x
x = 193,643,647,928.64/539,349.60 - Step 6: Final answer
x = 359,031.78
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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.