Finding the Fourth Proportional to 299,623.84, 413,483.04 and 165,487.84
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Solution
The fourth proportional to 299,623.84, 413,483.04 and 165,487.84 is: 228,374.40
Step by Step Solution
- Step 1: Write the proportion equation
299,623.84 : 413,483.04 = 165,487.84 : x - Step 2: Convert to fraction form
299,623.84/413,483.04 = 165,487.84/x - Step 3: Cross multiply
299,623.84x = 413,483.04 × 165,487.84 - Step 4: Simplify right side
299,623.84x = 68,426,415,166.23 - Step 5: Solve for x
x = 68,426,415,166.23/299,623.84 - Step 6: Final answer
x = 228,374.40
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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.