Finding the Fourth Proportional to 224,217.08, 309,417.52 and 123,615.08
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Solution
The fourth proportional to 224,217.08, 309,417.52 and 123,615.08 is: 170,587.68
Step by Step Solution
- Step 1: Write the proportion equation
224,217.08 : 309,417.52 = 123,615.08 : x - Step 2: Convert to fraction form
224,217.08/309,417.52 = 123,615.08/x - Step 3: Cross multiply
224,217.08x = 309,417.52 × 123,615.08 - Step 4: Simplify right side
224,217.08x = 38,248,671,488.20 - Step 5: Solve for x
x = 38,248,671,488.20/224,217.08 - Step 6: Final answer
x = 170,587.68
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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.