Finding the Fourth Proportional to 239,398.08, 358,038.36 and 212,929.91
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Solution
The fourth proportional to 239,398.08, 358,038.36 and 212,929.91 is: 318,453.16
Step by Step Solution
- Step 1: Write the proportion equation
239,398.08 : 358,038.36 = 212,929.91 : x - Step 2: Convert to fraction form
239,398.08/358,038.36 = 212,929.91/x - Step 3: Cross multiply
239,398.08x = 358,038.36 × 212,929.91 - Step 4: Simplify right side
239,398.08x = 76,237,075,771.35 - Step 5: Solve for x
x = 76,237,075,771.35/239,398.08 - Step 6: Final answer
x = 318,453.16
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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.