Finding the Fourth Proportional to 430,773.39, 646,110.95 and 115,254.63
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Solution
The fourth proportional to 430,773.39, 646,110.95 and 115,254.63 is: 172,868.80
Step by Step Solution
- Step 1: Write the proportion equation
430,773.39 : 646,110.95 = 115,254.63 : x - Step 2: Convert to fraction form
430,773.39/646,110.95 = 115,254.63/x - Step 3: Cross multiply
430,773.39x = 646,110.95 × 115,254.63 - Step 4: Simplify right side
430,773.39x = 74,467,277,904.93 - Step 5: Solve for x
x = 74,467,277,904.93/430,773.39 - Step 6: Final answer
x = 172,868.80
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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.