Finding the Fourth Proportional to 270,970.80, 373,962.68 and 150,149.99
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Solution
The fourth proportional to 270,970.80, 373,962.68 and 150,149.99 is: 207,219.71
Step by Step Solution
- Step 1: Write the proportion equation
270,970.80 : 373,962.68 = 150,149.99 : x - Step 2: Convert to fraction form
270,970.80/373,962.68 = 150,149.99/x - Step 3: Cross multiply
270,970.80x = 373,962.68 × 150,149.99 - Step 4: Simplify right side
270,970.80x = 56,150,490,041.81 - Step 5: Solve for x
x = 56,150,490,041.81/270,970.80 - Step 6: Final answer
x = 207,219.71
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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.