Finding the Fourth Proportional to 329,924.99, 455,306.08 and 186,681.95
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Solution
The fourth proportional to 329,924.99, 455,306.08 and 186,681.95 is: 257,626.52
Step by Step Solution
- Step 1: Write the proportion equation
329,924.99 : 455,306.08 = 186,681.95 : x - Step 2: Convert to fraction form
329,924.99/455,306.08 = 186,681.95/x - Step 3: Cross multiply
329,924.99x = 455,306.08 × 186,681.95 - Step 4: Simplify right side
329,924.99x = 84,997,426,861.26 - Step 5: Solve for x
x = 84,997,426,861.26/329,924.99 - Step 6: Final answer
x = 257,626.52
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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.