Finding the Fourth Proportional to 292,364.76, 403,463.36 and 158,228.76
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Solution
The fourth proportional to 292,364.76, 403,463.36 and 158,228.76 is: 218,355.68
Step by Step Solution
- Step 1: Write the proportion equation
292,364.76 : 403,463.36 = 158,228.76 : x - Step 2: Convert to fraction form
292,364.76/403,463.36 = 158,228.76/x - Step 3: Cross multiply
292,364.76x = 403,463.36 × 158,228.76 - Step 4: Simplify right side
292,364.76x = 63,839,507,158.23 - Step 5: Solve for x
x = 63,839,507,158.23/292,364.76 - Step 6: Final answer
x = 218,355.68
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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.