Finding the Fourth Proportional to 413,325.99, 570,321.95 and 243,537.03
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Solution
The fourth proportional to 413,325.99, 570,321.95 and 243,537.03 is: 336,041.08
Step by Step Solution
- Step 1: Write the proportion equation
413,325.99 : 570,321.95 = 243,537.03 : x - Step 2: Convert to fraction form
413,325.99/570,321.95 = 243,537.03/x - Step 3: Cross multiply
413,325.99x = 570,321.95 × 243,537.03 - Step 4: Simplify right side
413,325.99x = 138,894,512,629.12 - Step 5: Solve for x
x = 138,894,512,629.12/413,325.99 - Step 6: Final answer
x = 336,041.08
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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.