Finding the Fourth Proportional to 403,611.70, 605,417.55 and 167,415.70
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Solution
The fourth proportional to 403,611.70, 605,417.55 and 167,415.70 is: 251,123.55
Step by Step Solution
- Step 1: Write the proportion equation
403,611.70 : 605,417.55 = 167,415.70 : x - Step 2: Convert to fraction form
403,611.70/605,417.55 = 167,415.70/x - Step 3: Cross multiply
403,611.70x = 605,417.55 × 167,415.70 - Step 4: Simplify right side
403,611.70x = 101,356,402,925.54 - Step 5: Solve for x
x = 101,356,402,925.54/403,611.70 - Step 6: Final answer
x = 251,123.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.