Finding the Fourth Proportional to 220,465.98, 304,298.18 and 135,533.84
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Solution
The fourth proportional to 220,465.98, 304,298.18 and 135,533.84 is: 187,070.59
Step by Step Solution
- Step 1: Write the proportion equation
220,465.98 : 304,298.18 = 135,533.84 : x - Step 2: Convert to fraction form
220,465.98/304,298.18 = 135,533.84/x - Step 3: Cross multiply
220,465.98x = 304,298.18 × 135,533.84 - Step 4: Simplify right side
220,465.98x = 41,242,700,840.41 - Step 5: Solve for x
x = 41,242,700,840.41/220,465.98 - Step 6: Final answer
x = 187,070.59
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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.