Finding the Fourth Proportional to 219,271.68, 302,595.21 and 118,669.68
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Solution
The fourth proportional to 219,271.68, 302,595.21 and 118,669.68 is: 163,764.32
Step by Step Solution
- Step 1: Write the proportion equation
219,271.68 : 302,595.21 = 118,669.68 : x - Step 2: Convert to fraction form
219,271.68/302,595.21 = 118,669.68/x - Step 3: Cross multiply
219,271.68x = 302,595.21 × 118,669.68 - Step 4: Simplify right side
219,271.68x = 35,908,876,740.23 - Step 5: Solve for x
x = 35,908,876,740.23/219,271.68 - Step 6: Final answer
x = 163,764.32
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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.