Finding the Fourth Proportional to 578,305.91, 867,502.70 and 178,987.07
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Solution
The fourth proportional to 578,305.91, 867,502.70 and 178,987.07 is: 268,494.17
Step by Step Solution
- Step 1: Write the proportion equation
578,305.91 : 867,502.70 = 178,987.07 : x - Step 2: Convert to fraction form
578,305.91/867,502.70 = 178,987.07/x - Step 3: Cross multiply
578,305.91x = 867,502.70 × 178,987.07 - Step 4: Simplify right side
578,305.91x = 155,271,766,490.09 - Step 5: Solve for x
x = 155,271,766,490.09/578,305.91 - Step 6: Final answer
x = 268,494.17
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.