Finding the Fourth Proportional to 450,675.36, 621,931.02 and 246,724.63
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Solution
The fourth proportional to 450,675.36, 621,931.02 and 246,724.63 is: 340,479.45
Step by Step Solution
- Step 1: Write the proportion equation
450,675.36 : 621,931.02 = 246,724.63 : x - Step 2: Convert to fraction form
450,675.36/621,931.02 = 246,724.63/x - Step 3: Cross multiply
450,675.36x = 621,931.02 × 246,724.63 - Step 4: Simplify right side
450,675.36x = 153,445,700,795.02 - Step 5: Solve for x
x = 153,445,700,795.02/450,675.36 - Step 6: Final answer
x = 340,479.45
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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.