Finding the Fourth Proportional to 578,567.18, 867,988.35 and 241,420.47
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Solution
The fourth proportional to 578,567.18, 867,988.35 and 241,420.47 is: 362,188.12
Step by Step Solution
- Step 1: Write the proportion equation
578,567.18 : 867,988.35 = 241,420.47 : x - Step 2: Convert to fraction form
578,567.18/867,988.35 = 241,420.47/x - Step 3: Cross multiply
578,567.18x = 867,988.35 × 241,420.47 - Step 4: Simplify right side
578,567.18x = 209,550,155,411.53 - Step 5: Solve for x
x = 209,550,155,411.53/578,567.18 - Step 6: Final answer
x = 362,188.12
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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.