Finding the Fourth Proportional to 457,663.43, 631,871.98 and 294,392.95
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Solution
The fourth proportional to 457,663.43, 631,871.98 and 294,392.95 is: 406,452.95
Step by Step Solution
- Step 1: Write the proportion equation
457,663.43 : 631,871.98 = 294,392.95 : x - Step 2: Convert to fraction form
457,663.43/631,871.98 = 294,392.95/x - Step 3: Cross multiply
457,663.43x = 631,871.98 × 294,392.95 - Step 4: Simplify right side
457,663.43x = 186,018,653,055.18 - Step 5: Solve for x
x = 186,018,653,055.18/457,663.43 - Step 6: Final answer
x = 406,452.95
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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.