Finding the Fourth Proportional to 506,573.60, 759,860.25 and 190,956.70
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Solution
The fourth proportional to 506,573.60, 759,860.25 and 190,956.70 is: 286,434.99
Step by Step Solution
- Step 1: Write the proportion equation
506,573.60 : 759,860.25 = 190,956.70 : x - Step 2: Convert to fraction form
506,573.60/759,860.25 = 190,956.70/x - Step 3: Cross multiply
506,573.60x = 759,860.25 × 190,956.70 - Step 4: Simplify right side
506,573.60x = 145,100,403,901.52 - Step 5: Solve for x
x = 145,100,403,901.52/506,573.60 - Step 6: Final answer
x = 286,434.99
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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.