Finding the Fourth Proportional to 409,806.60, 565,518.24 and 237,727.98
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Solution
The fourth proportional to 409,806.60, 565,518.24 and 237,727.98 is: 328,055.99
Step by Step Solution
- Step 1: Write the proportion equation
409,806.60 : 565,518.24 = 237,727.98 : x - Step 2: Convert to fraction form
409,806.60/565,518.24 = 237,727.98/x - Step 3: Cross multiply
409,806.60x = 565,518.24 × 237,727.98 - Step 4: Simplify right side
409,806.60x = 134,439,508,848.36 - Step 5: Solve for x
x = 134,439,508,848.36/409,806.60 - Step 6: Final answer
x = 328,055.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.