Finding the Fourth Proportional to 163,031.35, 224,985.57 and 98,491.62
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Solution
The fourth proportional to 163,031.35, 224,985.57 and 98,491.62 is: 135,919.82
Step by Step Solution
- Step 1: Write the proportion equation
163,031.35 : 224,985.57 = 98,491.62 : x - Step 2: Convert to fraction form
163,031.35/224,985.57 = 98,491.62/x - Step 3: Cross multiply
163,031.35x = 224,985.57 × 98,491.62 - Step 4: Simplify right side
163,031.35x = 22,159,191,648.54 - Step 5: Solve for x
x = 22,159,191,648.54/163,031.35 - Step 6: Final answer
x = 135,919.82
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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.