Finding the Fourth Proportional to 553,415.13, 830,040.08 and 154,014.26
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Solution
The fourth proportional to 553,415.13, 830,040.08 and 154,014.26 is: 230,998.39
Step by Step Solution
- Step 1: Write the proportion equation
553,415.13 : 830,040.08 = 154,014.26 : x - Step 2: Convert to fraction form
553,415.13/830,040.08 = 154,014.26/x - Step 3: Cross multiply
553,415.13x = 830,040.08 × 154,014.26 - Step 4: Simplify right side
553,415.13x = 127,838,003,771.27 - Step 5: Solve for x
x = 127,838,003,771.27/553,415.13 - Step 6: Final answer
x = 230,998.39
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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.