Finding the Fourth Proportional to 214,271.58, 295,688.79 and 129,357.66
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Solution
The fourth proportional to 214,271.58, 295,688.79 and 129,357.66 is: 178,509.95
Step by Step Solution
- Step 1: Write the proportion equation
214,271.58 : 295,688.79 = 129,357.66 : x - Step 2: Convert to fraction form
214,271.58/295,688.79 = 129,357.66/x - Step 3: Cross multiply
214,271.58x = 295,688.79 × 129,357.66 - Step 4: Simplify right side
214,271.58x = 38,249,609,962.63 - Step 5: Solve for x
x = 38,249,609,962.63/214,271.58 - Step 6: Final answer
x = 178,509.95
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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.