Finding the Fourth Proportional to 560,130.24, 772,970.40 and 305,466.24
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Solution
The fourth proportional to 560,130.24, 772,970.40 and 305,466.24 is: 421,538.32
Step by Step Solution
- Step 1: Write the proportion equation
560,130.24 : 772,970.40 = 305,466.24 : x - Step 2: Convert to fraction form
560,130.24/772,970.40 = 305,466.24/x - Step 3: Cross multiply
560,130.24x = 772,970.40 × 305,466.24 - Step 4: Simplify right side
560,130.24x = 236,116,361,719.30 - Step 5: Solve for x
x = 236,116,361,719.30/560,130.24 - Step 6: Final answer
x = 421,538.32
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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.