Finding the Fourth Proportional to 202,878.88, 279,802.96 and 152,011.08
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Solution
The fourth proportional to 202,878.88, 279,802.96 and 152,011.08 is: 209,647.99
Step by Step Solution
- Step 1: Write the proportion equation
202,878.88 : 279,802.96 = 152,011.08 : x - Step 2: Convert to fraction form
202,878.88/279,802.96 = 152,011.08/x - Step 3: Cross multiply
202,878.88x = 279,802.96 × 152,011.08 - Step 4: Simplify right side
202,878.88x = 42,533,149,756.77 - Step 5: Solve for x
x = 42,533,149,756.77/202,878.88 - Step 6: Final answer
x = 209,647.99
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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.