Finding the Fourth Proportional to 403,282.70, 604,924.05 and 122,799.95
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Solution
The fourth proportional to 403,282.70, 604,924.05 and 122,799.95 is: 184,199.92
Step by Step Solution
- Step 1: Write the proportion equation
403,282.70 : 604,924.05 = 122,799.95 : x - Step 2: Convert to fraction form
403,282.70/604,924.05 = 122,799.95/x - Step 3: Cross multiply
403,282.70x = 604,924.05 × 122,799.95 - Step 4: Simplify right side
403,282.70x = 74,284,640,069.18 - Step 5: Solve for x
x = 74,284,640,069.18/403,282.70 - Step 6: Final answer
x = 184,199.92
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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.