Finding the Fourth Proportional to 457,904.94, 686,962.08 and 158,385.26
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Solution
The fourth proportional to 457,904.94, 686,962.08 and 158,385.26 is: 237,614.09
Step by Step Solution
- Step 1: Write the proportion equation
457,904.94 : 686,962.08 = 158,385.26 : x - Step 2: Convert to fraction form
457,904.94/686,962.08 = 158,385.26/x - Step 3: Cross multiply
457,904.94x = 686,962.08 × 158,385.26 - Step 4: Simplify right side
457,904.94x = 108,804,664,216.13 - Step 5: Solve for x
x = 108,804,664,216.13/457,904.94 - Step 6: Final answer
x = 237,614.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.