Finding the Fourth Proportional to 472,402.72, 708,458.74 and 135,353.06
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Solution
The fourth proportional to 472,402.72, 708,458.74 and 135,353.06 is: 202,987.95
Step by Step Solution
- Step 1: Write the proportion equation
472,402.72 : 708,458.74 = 135,353.06 : x - Step 2: Convert to fraction form
472,402.72/708,458.74 = 135,353.06/x - Step 3: Cross multiply
472,402.72x = 708,458.74 × 135,353.06 - Step 4: Simplify right side
472,402.72x = 95,892,058,342.74 - Step 5: Solve for x
x = 95,892,058,342.74/472,402.72 - Step 6: Final answer
x = 202,987.95
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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.