Finding the Fourth Proportional to 346,531.55, 519,796.99 and 130,430.63
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Solution
The fourth proportional to 346,531.55, 519,796.99 and 130,430.63 is: 195,645.82
Step by Step Solution
- Step 1: Write the proportion equation
346,531.55 : 519,796.99 = 130,430.63 : x - Step 2: Convert to fraction form
346,531.55/519,796.99 = 130,430.63/x - Step 3: Cross multiply
346,531.55x = 519,796.99 × 130,430.63 - Step 4: Simplify right side
346,531.55x = 67,797,448,877.80 - Step 5: Solve for x
x = 67,797,448,877.80/346,531.55 - Step 6: Final answer
x = 195,645.82
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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.