Finding the Fourth Proportional to 498,224.08, 687,242.36 and 355,030.40
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Solution
The fourth proportional to 498,224.08, 687,242.36 and 355,030.40 is: 489,723.28
Step by Step Solution
- Step 1: Write the proportion equation
498,224.08 : 687,242.36 = 355,030.40 : x - Step 2: Convert to fraction form
498,224.08/687,242.36 = 355,030.40/x - Step 3: Cross multiply
498,224.08x = 687,242.36 × 355,030.40 - Step 4: Simplify right side
498,224.08x = 243,991,929,967.74 - Step 5: Solve for x
x = 243,991,929,967.74/498,224.08 - Step 6: Final answer
x = 489,723.28
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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.