Finding the Fourth Proportional to 411,828.80, 618,088.80 and 201,646.40
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Solution
The fourth proportional to 411,828.80, 618,088.80 and 201,646.40 is: 302,638.82
Step by Step Solution
- Step 1: Write the proportion equation
411,828.80 : 618,088.80 = 201,646.40 : x - Step 2: Convert to fraction form
411,828.80/618,088.80 = 201,646.40/x - Step 3: Cross multiply
411,828.80x = 618,088.80 × 201,646.40 - Step 4: Simplify right side
411,828.80x = 124,635,381,400.32 - Step 5: Solve for x
x = 124,635,381,400.32/411,828.80 - Step 6: Final answer
x = 302,638.82
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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.