Finding the Fourth Proportional to 292,439.80, 403,566.99 and 158,303.80
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Solution
The fourth proportional to 292,439.80, 403,566.99 and 158,303.80 is: 218,459.28
Step by Step Solution
- Step 1: Write the proportion equation
292,439.80 : 403,566.99 = 158,303.80 : x - Step 2: Convert to fraction form
292,439.80/403,566.99 = 158,303.80/x - Step 3: Cross multiply
292,439.80x = 403,566.99 × 158,303.80 - Step 4: Simplify right side
292,439.80x = 63,886,186,053.73 - Step 5: Solve for x
x = 63,886,186,053.73/292,439.80 - Step 6: Final answer
x = 218,459.28
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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.